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20597058 = 2331911997
BaseRepresentation
bin100111010010…
…0100101000010
31102202102212000
41032210211002
520233101213
62013244430
7340033506
oct116444502
942672760
1020597058
1110698969
126a93716
134362111
142a42306
151c1cc73
hex13a4942

20597058 has 32 divisors (see below), whose sum is σ = 46033920. Its totient is φ = 6826320.

The previous prime is 20597041. The next prime is 20597069. The reversal of 20597058 is 85079502.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9316 + ... + 11312.

It is an arithmetic number, because the mean of its divisors is an integer number (1438560).

Almost surely, 220597058 is an apocalyptic number.

20597058 is an abundant number, since it is smaller than the sum of its proper divisors (25436862).

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

20597058 is a wasteful number, since it uses less digits than its factorization.

20597058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199 (or 2193 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 20597058 is about 4538.3981755681. The cubic root of 20597058 is about 274.1164280454.

The spelling of 20597058 in words is "twenty million, five hundred ninety-seven thousand, fifty-eight".

Divisors: 1 2 3 6 9 18 27 54 191 382 573 1146 1719 1997 3438 3994 5157 5991 10314 11982 17973 35946 53919 107838 381427 762854 1144281 2288562 3432843 6865686 10298529 20597058