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56089686 = 2323406447
BaseRepresentation
bin1101010111110…
…1110001010110
310220112122120210
43111331301112
5103324332221
65322110250
71250516532
oct325756126
9126478523
1056089686
1129730014
121694b386
13b80b183
147640bc2
154dce276
hex357dc56

56089686 has 16 divisors (see below), whose sum is σ = 117057024. Its totient is φ = 17883624.

The previous prime is 56089661. The next prime is 56089687. The reversal of 56089686 is 68698065.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56089687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203086 + ... + 203361.

It is an arithmetic number, because the mean of its divisors is an integer number (7316064).

Almost surely, 256089686 is an apocalyptic number.

56089686 is an abundant number, since it is smaller than the sum of its proper divisors (60967338).

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

56089686 is a wasteful number, since it uses less digits than its factorization.

56089686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406475.

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 56089686 is about 7489.3047741429. The cubic root of 56089686 is about 382.7903694584.

The spelling of 56089686 in words is "fifty-six million, eighty-nine thousand, six hundred eighty-six".

Divisors: 1 2 3 6 23 46 69 138 406447 812894 1219341 2438682 9348281 18696562 28044843 56089686