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481705632 = 253219471873
BaseRepresentation
bin11100101101100…
…011111010100000
31020120102011220100
4130231203322200
51441304040012
6115444342400
714636300412
oct3455437240
91216364810
10481705632
11227a01631
121153a4a00
1378a4b125
1447d929b2
152c4528dc
hex1cb63ea0

481705632 has 144 divisors (see below), whose sum is σ = 1473413760. Its totient is φ = 148801536.

The previous prime is 481705603. The next prime is 481705633. The reversal of 481705632 is 236507184.

481705632 is a `hidden beast` number, since 4 + 8 + 17 + 0 + 5 + 632 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (481705633) 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, 256248 + ... + 258120.

It is an arithmetic number, because the mean of its divisors is an integer number (10232040).

Almost surely, 2481705632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 481705632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (736706880).

481705632 is an abundant number, since it is smaller than the sum of its proper divisors (991708128).

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

481705632 is a wasteful number, since it uses less digits than its factorization.

481705632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955 (or 1944 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 481705632 is about 21947.7933287153. The cubic root of 481705632 is about 783.8998379607.

The spelling of 481705632 in words is "four hundred eighty-one million, seven hundred five thousand, six hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 47 48 57 72 76 94 96 114 141 144 152 171 188 228 282 288 304 342 376 423 456 564 608 684 752 846 893 912 1128 1368 1504 1692 1786 1824 1873 2256 2679 2736 3384 3572 3746 4512 5358 5472 5619 6768 7144 7492 8037 10716 11238 13536 14288 14984 16074 16857 21432 22476 28576 29968 32148 33714 35587 42864 44952 59936 64296 67428 71174 85728 88031 89904 106761 128592 134856 142348 176062 179808 213522 257184 264093 269712 284696 320283 352124 427044 528186 539424 569392 640566 704248 792279 854088 1056372 1138784 1281132 1408496 1584558 1672589 1708176 2112744 2562264 2816992 3169116 3345178 3416352 4225488 5017767 5124528 6338232 6690356 8450976 10035534 10249056 12676464 13380712 15053301 20071068 25352928 26761424 30106602 40142136 53522848 60213204 80284272 120426408 160568544 240852816 481705632