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5451210400 = 2552471131283
BaseRepresentation
bin1010001001110101…
…01101111010100000
3112001220102011212111
411010322231322200
542131002213100
62300530205104
7252041344456
oct50472557240
915056364774
105451210400
112348080069
121081723794
1368b4904ac
14399d969d6
1521d8836ba
hex144eadea0

5451210400 has 144 divisors (see below), whose sum is σ = 13721871744. Its totient is φ = 2113556480.

The previous prime is 5451210397. The next prime is 5451210403. The reversal of 5451210400 is 40121545.

It is an interprime number because it is at equal distance from previous prime (5451210397) and next prime (5451210403).

It is not an unprimeable number, because it can be changed into a prime (5451210403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4248159 + ... + 4249441.

It is an arithmetic number, because the mean of its divisors is an integer number (95290776).

Almost surely, 25451210400 is an apocalyptic number.

5451210400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5451210400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6860935872).

5451210400 is an abundant number, since it is smaller than the sum of its proper divisors (8270661344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5451210400 is a wasteful number, since it uses less digits than its factorization.

5451210400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463 (or 1450 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 5451210400 is about 73832.3127092738. The cubic root of 5451210400 is about 1759.9391335700.

Adding to 5451210400 its reverse (40121545), we get a palindrome (5491331945).

The spelling of 5451210400 in words is "five billion, four hundred fifty-one million, two hundred ten thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 47 50 80 94 100 113 160 188 200 226 235 376 400 452 470 565 752 800 904 940 1130 1175 1283 1504 1808 1880 2260 2350 2566 2825 3616 3760 4520 4700 5132 5311 5650 6415 7520 9040 9400 10264 10622 11300 12830 18080 18800 20528 21244 22600 25660 26555 32075 37600 41056 42488 45200 51320 53110 60301 64150 84976 90400 102640 106220 120602 128300 132775 144979 169952 205280 212440 241204 256600 265550 289958 301505 424880 482408 513200 531100 579916 603010 724895 849760 964816 1026400 1062200 1159832 1206020 1449790 1507525 1929632 2124400 2319664 2412040 2899580 3015050 3624475 4248800 4639328 4824080 5799160 6030100 6814013 7248950 9648160 11598320 12060200 13628026 14497900 23196640 24120400 27256052 28995800 34070065 48240800 54512104 57991600 68140130 109024208 115983200 136280260 170350325 218048416 272560520 340700650 545121040 681401300 1090242080 1362802600 2725605200 5451210400