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890614857 = 31126988329
BaseRepresentation
bin110101000101011…
…011010001001001
32022001211220220110
4311011123101021
53310444133412
6224212544533
731033046526
oct6505332111
92261756813
10890614857
11417802140
1220a322149
1311268b952
14863d614d
15532c5d3c
hex3515b449

890614857 has 8 divisors (see below), whose sum is σ = 1295439840. Its totient is φ = 539766560.

The previous prime is 890614843. The next prime is 890614861. The reversal of 890614857 is 758416098.

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

It is a cyclic number.

It is not a de Polignac number, because 890614857 - 26 = 890614793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (890614807) 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, 13494132 + ... + 13494197.

It is an arithmetic number, because the mean of its divisors is an integer number (161929980).

Almost surely, 2890614857 is an apocalyptic number.

It is an amenable number.

890614857 is a deficient number, since it is larger than the sum of its proper divisors (404824983).

890614857 is a wasteful number, since it uses less digits than its factorization.

890614857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26988343.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 890614857 is about 29843.1710278918. The cubic root of 890614857 is about 962.1216303752.

The spelling of 890614857 in words is "eight hundred ninety million, six hundred fourteen thousand, eight hundred fifty-seven".

Divisors: 1 3 11 33 26988329 80964987 296871619 890614857