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401568204 = 223319110487
BaseRepresentation
bin10111111011110…
…111000111001100
31000222121210000110
4113323313013030
51310300140304
6103503000020
712644162532
oct2773670714
91028553013
10401568204
11196747154
12b2599010
136527032b
143b492152
15253c3289
hex17ef71cc

401568204 has 24 divisors (see below), whose sum is σ = 937375488. Its totient is φ = 133801360.

The previous prime is 401568199. The next prime is 401568239. The reversal of 401568204 is 402865104.

It is a super-2 number, since 2×4015682042 = 322514044927571232, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33049 + ... + 43535.

It is an arithmetic number, because the mean of its divisors is an integer number (39057312).

Almost surely, 2401568204 is an apocalyptic number.

It is an amenable number.

401568204 is an abundant number, since it is smaller than the sum of its proper divisors (535807284).

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

401568204 is a wasteful number, since it uses less digits than its factorization.

401568204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13685 (or 13683 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 401568204 is about 20039.1667491440. The cubic root of 401568204 is about 737.7679296163.

The spelling of 401568204 in words is "four hundred one million, five hundred sixty-eight thousand, two hundred four".

Divisors: 1 2 3 4 6 12 3191 6382 9573 10487 12764 19146 20974 31461 38292 41948 62922 125844 33464017 66928034 100392051 133856068 200784102 401568204