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468628864 = 27112329499
BaseRepresentation
bin11011111011101…
…011010110000000
31012122210210221121
4123323223112000
51424432110424
6114300202024
714420164624
oct3373532600
91178723847
10468628864
1122058a890
12110b39314
137611ccb2
144634b184
152b21cee4
hex1beeb580

468628864 has 128 divisors (see below), whose sum is σ = 1101600000. Its totient is φ = 196331520.

The previous prime is 468628837. The next prime is 468628871. The reversal of 468628864 is 468826864.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×4686288642 = 439226024347860992, which contains 22 as substring.

Its product of digits (3538944) is a multiple of the sum of its prime factors (576).

It is a congruent number.

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, 938887 + ... + 939385.

It is an arithmetic number, because the mean of its divisors is an integer number (8606250).

Almost surely, 2468628864 is an apocalyptic number.

468628864 is a gapful number since it is divisible by the number (44) 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 468628864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (550800000).

468628864 is an abundant number, since it is smaller than the sum of its proper divisors (632971136).

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

468628864 is a wasteful number, since it uses less digits than its factorization.

468628864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576 (or 564 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 52.

The square root of 468628864 is about 21647.8373977633. The cubic root of 468628864 is about 776.7412055738.

The spelling of 468628864 in words is "four hundred sixty-eight million, six hundred twenty-eight thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 11 16 22 23 29 32 44 46 58 64 88 92 116 128 176 184 232 253 319 352 368 464 499 506 638 667 704 736 928 998 1012 1276 1334 1408 1472 1856 1996 2024 2552 2668 2944 3712 3992 4048 5104 5336 5489 7337 7984 8096 10208 10672 10978 11477 14471 14674 15968 16192 20416 21344 21956 22954 28942 29348 31936 32384 40832 42688 43912 45908 57884 58696 63872 85376 87824 91816 115768 117392 126247 159181 175648 183632 231536 234784 252494 318362 332833 351296 367264 463072 469568 504988 636724 665666 702592 734528 926144 939136 1009976 1273448 1331332 1469056 1852288 2019952 2546896 2662664 3661163 4039904 5093792 5325328 7322326 8079808 10187584 10650656 14644652 16159616 20375168 21301312 29289304 42602624 58578608 117157216 234314432 468628864