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56897894 = 2191497313
BaseRepresentation
bin1101100100001…
…1000101100110
310222001201020102
43121003011212
5104031213034
65351304102
71260424034
oct331030546
9128051212
1056897894
112a132259
121707b032
13ba31cc1
1477b1554
154edd97e
hex3643166

56897894 has 8 divisors (see below), whose sum is σ = 89838840. Its totient is φ = 26951616.

The previous prime is 56897887. The next prime is 56897917. The reversal of 56897894 is 49879865.

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

It is a super-3 number, since 3×568978943 (a number of 24 digits) contains 333 as substring.

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, 748619 + ... + 748694.

It is an arithmetic number, because the mean of its divisors is an integer number (11229855).

Almost surely, 256897894 is an apocalyptic number.

56897894 is a deficient number, since it is larger than the sum of its proper divisors (32940946).

56897894 is a wasteful number, since it uses less digits than its factorization.

56897894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497334.

The product of its digits is 4354560, while the sum is 56.

The square root of 56897894 is about 7543.0692692034. The cubic root of 56897894 is about 384.6201774972.

The spelling of 56897894 in words is "fifty-six million, eight hundred ninety-seven thousand, eight hundred ninety-four".

Divisors: 1 2 19 38 1497313 2994626 28448947 56897894