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23408712 = 23321392339
BaseRepresentation
bin101100101001…
…1000001001000
31122001021201100
41121103001020
521443034322
62153421400
7402653655
oct131230110
948037640
1023408712
1112239348
127a0a860
134b07b12
143174c2c
1520c5dac
hex1653048

23408712 has 48 divisors (see below), whose sum is σ = 63882000. Its totient is φ = 7743456.

The previous prime is 23408701. The next prime is 23408717. The reversal of 23408712 is 21780432.

It is not an unprimeable number, because it can be changed into a prime (23408717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8839 + ... + 11177.

It is an arithmetic number, because the mean of its divisors is an integer number (1330875).

Almost surely, 223408712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23408712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31941000).

23408712 is an abundant number, since it is smaller than the sum of its proper divisors (40473288).

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

23408712 is a wasteful number, since it uses less digits than its factorization.

23408712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490 (or 2483 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 23408712 is about 4838.2550573528. The cubic root of 23408712 is about 286.0613427355.

The spelling of 23408712 in words is "twenty-three million, four hundred eight thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 139 278 417 556 834 1112 1251 1668 2339 2502 3336 4678 5004 7017 9356 10008 14034 18712 21051 28068 42102 56136 84204 168408 325121 650242 975363 1300484 1950726 2600968 2926089 3901452 5852178 7802904 11704356 23408712