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23929906 = 27111311953
BaseRepresentation
bin101101101001…
…0010000110010
31200000202122211
41123102100302
522111224111
62212522334
7410254330
oct133222062
950022584
1023929906
1112564990
1280203aa
134c5b110
14326cb50
15217a521
hex16d2432

23929906 has 32 divisors (see below), whose sum is σ = 48198528. Its totient is φ = 8605440.

The previous prime is 23929903. The next prime is 23929933. The reversal of 23929906 is 60992932.

It is not an unprimeable number, because it can be changed into a prime (23929903) by changing a digit.

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, 3975 + ... + 7978.

It is an arithmetic number, because the mean of its divisors is an integer number (1506204).

Almost surely, 223929906 is an apocalyptic number.

23929906 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23929906 is an abundant number, since it is smaller than the sum of its proper divisors (24268622).

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

23929906 is a wasteful number, since it uses less digits than its factorization.

23929906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11986.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 23929906 is about 4891.8203155881. The cubic root of 23929906 is about 288.1688262330.

It can be divided in two parts, 23 and 929906, that added together give a palindrome (929929).

The spelling of 23929906 in words is "twenty-three million, nine hundred twenty-nine thousand, nine hundred six".

Divisors: 1 2 7 11 13 14 22 26 77 91 143 154 182 286 1001 2002 11953 23906 83671 131483 155389 167342 262966 310778 920381 1087723 1709279 1840762 2175446 3418558 11964953 23929906