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56990894 = 231789891
BaseRepresentation
bin1101100101100…
…1110010101110
310222020102210212
43121121302232
5104042202034
65353302422
71261262132
oct331316256
9128212725
1056990894
112a196114
1217104a12
13ba6542c
1477d73c2
15500b2ce
hex3659cae

56990894 has 8 divisors (see below), whose sum is σ = 85756968. Its totient is φ = 28405240.

The previous prime is 56990833. The next prime is 56990909. The reversal of 56990894 is 49809965.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44312 + ... + 45579.

It is an arithmetic number, because the mean of its divisors is an integer number (10719621).

Almost surely, 256990894 is an apocalyptic number.

56990894 is a deficient number, since it is larger than the sum of its proper divisors (28766074).

56990894 is a wasteful number, since it uses less digits than its factorization.

56990894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90210.

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 56990894 is about 7549.2313516013. The cubic root of 56990894 is about 384.8296182051.

The spelling of 56990894 in words is "fifty-six million, nine hundred ninety thousand, eight hundred ninety-four".

Divisors: 1 2 317 634 89891 179782 28495447 56990894