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656113423 = 7831129283
BaseRepresentation
bin100111000110110…
…111111100001111
31200201121000102011
4213012313330033
52320431112143
6145034442051
722154605060
oct4706677417
91621530364
10656113423
113073a47a9
12163893327
13a5c147c4
14631d2567
153c903e9d
hex271b7f0f

656113423 has 8 divisors (see below), whose sum is σ = 758878848. Its totient is φ = 555606744.

The previous prime is 656113421. The next prime is 656113457. The reversal of 656113423 is 324311656.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 656113423 - 21 = 656113421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656113421) by changing a digit.

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, 564061 + ... + 565222.

It is an arithmetic number, because the mean of its divisors is an integer number (94859856).

Almost surely, 2656113423 is an apocalyptic number.

656113423 is a deficient number, since it is larger than the sum of its proper divisors (102765425).

656113423 is a wasteful number, since it uses less digits than its factorization.

656113423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129373.

The product of its digits is 12960, while the sum is 31.

The square root of 656113423 is about 25614.7110661042. The cubic root of 656113423 is about 868.9463719227.

The spelling of 656113423 in words is "six hundred fifty-six million, one hundred thirteen thousand, four hundred twenty-three".

Divisors: 1 7 83 581 1129283 7904981 93730489 656113423