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20059308 = 22321134931
BaseRepresentation
bin100110010000…
…1010010101100
31101202010012100
41030201102230
520113344213
61553535100
7332333643
oct114412254
941663170
1020059308
1110360945
126874490
134204419
14294235a
151b63773
hex13214ac

20059308 has 36 divisors (see below), whose sum is σ = 51164568. Its totient is φ = 6625920.

The previous prime is 20059279. The next prime is 20059321. The reversal of 20059308 is 80395002.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1603 + ... + 6533.

It is an arithmetic number, because the mean of its divisors is an integer number (1421238).

Almost surely, 220059308 is an apocalyptic number.

It is an amenable number.

20059308 is an abundant number, since it is smaller than the sum of its proper divisors (31105260).

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

20059308 is a wasteful number, since it uses less digits than its factorization.

20059308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5054 (or 5049 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 20059308 is about 4478.7618824849. The cubic root of 20059308 is about 271.7098080123.

The spelling of 20059308 in words is "twenty million, fifty-nine thousand, three hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 113 226 339 452 678 1017 1356 2034 4068 4931 9862 14793 19724 29586 44379 59172 88758 177516 557203 1114406 1671609 2228812 3343218 5014827 6686436 10029654 20059308