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23013406 = 213268087
BaseRepresentation
bin101011111001…
…0100000011110
31121022012110101
41113302200132
521342412111
62141131314
7366416323
oct127624036
947265411
1023013406
1111a99349
127859b3a
1349c9c00
1430b0b4a
152048bc1
hex15f281e

23013406 has 12 divisors (see below), whose sum is σ = 37380312. Its totient is φ = 10621416.

The previous prime is 23013383. The next prime is 23013433. The reversal of 23013406 is 60431032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33706 + ... + 34381.

It is an arithmetic number, because the mean of its divisors is an integer number (3115026).

Almost surely, 223013406 is an apocalyptic number.

23013406 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23013406 is a deficient number, since it is larger than the sum of its proper divisors (14366906).

23013406 is a wasteful number, since it uses less digits than its factorization.

23013406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68115 (or 68102 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 23013406 is about 4797.2289918243. The cubic root of 23013406 is about 284.4419407038.

Adding to 23013406 its reverse (60431032), we get a palindrome (83444438).

The spelling of 23013406 in words is "twenty-three million, thirteen thousand, four hundred six".

Divisors: 1 2 13 26 169 338 68087 136174 885131 1770262 11506703 23013406