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461684480 = 285373967
BaseRepresentation
bin11011100001001…
…011111100000000
31012011202000001012
4123201023330000
51421142400410
6113451300052
714304152615
oct3341137400
91164660035
10461684480
11217677424
1210a74a628
137485b1aa
144546050c
152a7ea605
hex1b84bf00

461684480 has 72 divisors (see below), whose sum is σ = 1109990112. Its totient is φ = 183988224.

The previous prime is 461684407. The next prime is 461684513. The reversal of 461684480 is 84486164.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476957 + ... + 477923.

Almost surely, 2461684480 is an apocalyptic number.

461684480 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 461684480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554995056).

461684480 is an abundant number, since it is smaller than the sum of its proper divisors (648305632).

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

461684480 is an equidigital number, since it uses as much as digits as its factorization.

461684480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361 (or 1347 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 461684480 is about 21486.8443471814. The cubic root of 461684480 is about 772.8853793622.

The spelling of 461684480 in words is "four hundred sixty-one million, six hundred eighty-four thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 373 640 746 967 1280 1492 1865 1934 2984 3730 3868 4835 5968 7460 7736 9670 11936 14920 15472 19340 23872 29840 30944 38680 47744 59680 61888 77360 95488 119360 123776 154720 238720 247552 309440 360691 477440 618880 721382 1237760 1442764 1803455 2885528 3606910 5771056 7213820 11542112 14427640 23084224 28855280 46168448 57710560 92336896 115421120 230842240 461684480