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461055720 = 233512730253
BaseRepresentation
bin11011011110110…
…010011011101000
31012010120001112210
4123132302123220
51421012240340
6113430005120
714265623526
oct3336623350
91163501483
10461055720
11217287a94
1210a4a67a0
137469ac48
1445339316
152a724180
hex1b7b26e8

461055720 has 64 divisors (see below), whose sum is σ = 1394104320. Its totient is φ = 121976064.

The previous prime is 461055703. The next prime is 461055731. The reversal of 461055720 is 27550164.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114 + ... + 30366.

It is an arithmetic number, because the mean of its divisors is an integer number (21782880).

Almost surely, 2461055720 is an apocalyptic number.

461055720 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 461055720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (697052160).

461055720 is an abundant number, since it is smaller than the sum of its proper divisors (933048600).

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

461055720 is a wasteful number, since it uses less digits than its factorization.

461055720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30394 (or 30390 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 461055720 is about 21472.2080839396. The cubic root of 461055720 is about 772.5343602819.

The spelling of 461055720 in words is "four hundred sixty-one million, fifty-five thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 127 254 381 508 635 762 1016 1270 1524 1905 2540 3048 3810 5080 7620 15240 30253 60506 90759 121012 151265 181518 242024 302530 363036 453795 605060 726072 907590 1210120 1815180 3630360 3842131 7684262 11526393 15368524 19210655 23052786 30737048 38421310 46105572 57631965 76842620 92211144 115263930 153685240 230527860 461055720