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1304272480 = 25571961291
BaseRepresentation
bin100110110111101…
…1001111001100000
310100220012220111011
41031233121321200
510132343204410
6333231030304
744215063450
oct11557317140
93326186434
101304272480
1160a256245
1230496b394
1317a2a2884
14c5313d60
157978618a
hex4dbd9e60

1304272480 has 96 divisors (see below), whose sum is σ = 3706940160. Its totient is φ = 423636480.

The previous prime is 1304272441. The next prime is 1304272481. The reversal of 1304272480 is 842724031.

It is a super-2 number, since 2×13042724802 = 3402253404170700800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304272481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9366 + ... + 51925.

It is an arithmetic number, because the mean of its divisors is an integer number (38613960).

Almost surely, 21304272480 is an apocalyptic number.

1304272480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304272480 is an abundant number, since it is smaller than the sum of its proper divisors (2402667680).

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

1304272480 is a wasteful number, since it uses less digits than its factorization.

1304272480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61332 (or 61324 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 1304272480 is about 36114.7127913265. The cubic root of 1304272480 is about 1092.5872049250.

The spelling of 1304272480 in words is "one billion, three hundred four million, two hundred seventy-two thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 19 20 28 32 35 38 40 56 70 76 80 95 112 133 140 152 160 190 224 266 280 304 380 532 560 608 665 760 1064 1120 1330 1520 2128 2660 3040 4256 5320 10640 21280 61291 122582 245164 306455 429037 490328 612910 858074 980656 1164529 1225820 1716148 1961312 2145185 2329058 2451640 3432296 4290370 4658116 4903280 5822645 6864592 8151703 8580740 9316232 9806560 11645290 13729184 16303406 17161480 18632464 23290580 32606812 34322960 37264928 40758515 46581160 65213624 68645920 81517030 93162320 130427248 163034060 186324640 260854496 326068120 652136240 1304272480