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23130562 = 2713196689
BaseRepresentation
bin101100000111…
…1000111000010
31121112011011111
41120033013002
521410134222
62143433534
7400415020
oct130170702
947464144
1023130562
1112069374
1278b58aa
134a3b330
143101710
15206d777
hex160f1c2

23130562 has 32 divisors (see below), whose sum is σ = 44956800. Its totient is φ = 8667648.

The previous prime is 23130553. The next prime is 23130623. The reversal of 23130562 is 26503132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114 + ... + 6802.

It is an arithmetic number, because the mean of its divisors is an integer number (1404900).

Almost surely, 223130562 is an apocalyptic number.

23130562 is a deficient number, since it is larger than the sum of its proper divisors (21826238).

23130562 is a wasteful number, since it uses less digits than its factorization.

23130562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6730.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 23130562 is about 4809.4242898709. The cubic root of 23130562 is about 284.9238002913.

Adding to 23130562 its reverse (26503132), we get a palindrome (49633694).

The spelling of 23130562 in words is "twenty-three million, one hundred thirty thousand, five hundred sixty-two".

Divisors: 1 2 7 13 14 19 26 38 91 133 182 247 266 494 1729 3458 6689 13378 46823 86957 93646 127091 173914 254182 608699 889637 1217398 1652183 1779274 3304366 11565281 23130562