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461901456 = 243223891567
BaseRepresentation
bin11011100010000…
…000111010010000
31012012011000200100
4123202000322100
51421221321311
6113500052400
714306045322
oct3342007220
91165130610
10461901456
11217805445
1210a834100
1374905b93
14454b9612
152a83ea56
hex1b880e90

461901456 has 120 divisors (see below), whose sum is σ = 1364912640. Its totient is φ = 145525248.

The previous prime is 461901443. The next prime is 461901463. The reversal of 461901456 is 654109164.

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

It is a self number, because there is not a number n which added to its sum of digits gives 461901456.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 293985 + ... + 295551.

It is an arithmetic number, because the mean of its divisors is an integer number (11374272).

Almost surely, 2461901456 is an apocalyptic number.

461901456 is a gapful number since it is divisible by the number (46) 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 461901456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (682456320).

461901456 is an abundant number, since it is smaller than the sum of its proper divisors (903011184).

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

461901456 is a wasteful number, since it uses less digits than its factorization.

461901456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693 (or 1684 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 461901456 is about 21491.8927970526. The cubic root of 461901456 is about 773.0064370119.

The spelling of 461901456 in words is "four hundred sixty-one million, nine hundred one thousand, four hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 36 46 48 69 72 89 92 138 144 178 184 207 267 276 356 368 414 534 552 712 801 828 1068 1104 1424 1567 1602 1656 2047 2136 3134 3204 3312 4094 4272 4701 6141 6268 6408 8188 9402 12282 12536 12816 14103 16376 18423 18804 24564 25072 28206 32752 36041 36846 37608 49128 56412 72082 73692 75216 98256 108123 112824 139463 144164 147384 216246 225648 278926 288328 294768 324369 418389 432492 557852 576656 648738 836778 864984 1115704 1255167 1297476 1673556 1729968 2231408 2510334 2594952 3207649 3347112 5020668 5189904 6415298 6694224 9622947 10041336 12830596 19245894 20082672 25661192 28868841 38491788 51322384 57737682 76983576 115475364 153967152 230950728 461901456