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468772640 = 25572771511
BaseRepresentation
bin11011111100001…
…110011100100000
31012200002010011122
4123330032130200
51430001211030
6114303231412
714421334040
oct3374163440
91180063148
10468772640
11220678906
12110ba8568
137617057b
1446387720
152b24a8e5
hex1bf0e720

468772640 has 96 divisors (see below), whose sum is σ = 1271096064. Its totient is φ = 160035840.

The previous prime is 468772597. The next prime is 468772663. The reversal of 468772640 is 46277864.

It is a junction number, because it is equal to n+sod(n) for n = 468772591 and 468772600.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309485 + ... + 310995.

It is an arithmetic number, because the mean of its divisors is an integer number (13240584).

Almost surely, 2468772640 is an apocalyptic number.

468772640 is a gapful number since it is divisible by the number (40) 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 468772640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635548032).

468772640 is an abundant number, since it is smaller than the sum of its proper divisors (802323424).

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

468772640 is a wasteful number, since it uses less digits than its factorization.

468772640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810 (or 1802 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 44.

The square root of 468772640 is about 21651.1579367017. The cubic root of 468772640 is about 776.8206325527.

The spelling of 468772640 in words is "four hundred sixty-eight million, seven hundred seventy-two thousand, six hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 277 280 554 560 1108 1120 1385 1511 1939 2216 2770 3022 3878 4432 5540 6044 7555 7756 8864 9695 10577 11080 12088 15110 15512 19390 21154 22160 24176 30220 31024 38780 42308 44320 48352 52885 60440 62048 77560 84616 105770 120880 155120 169232 211540 241760 310240 338464 418547 423080 837094 846160 1674188 1692320 2092735 2929829 3348376 4185470 5859658 6696752 8370940 11719316 13393504 14649145 16741880 23438632 29298290 33483760 46877264 58596580 66967520 93754528 117193160 234386320 468772640