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23208146 = 2137911299
BaseRepresentation
bin101100010001…
…0000011010010
31121200002120222
41120202003102
521420130041
62145233042
7401160143
oct130420322
947602528
1023208146
1112111695
127932782
134a67740
143121aca
15208674b
hex16220d2

23208146 has 16 divisors (see below), whose sum is σ = 37968000. Its totient is φ = 10574928.

The previous prime is 23208137. The next prime is 23208161. The reversal of 23208146 is 64180232.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3596 + ... + 7703.

It is an arithmetic number, because the mean of its divisors is an integer number (2373000).

Almost surely, 223208146 is an apocalyptic number.

23208146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23208146 is a deficient number, since it is larger than the sum of its proper divisors (14759854).

23208146 is a wasteful number, since it uses less digits than its factorization.

23208146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11393.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 23208146 is about 4817.4833679007. The cubic root of 23208146 is about 285.2420064059.

Adding to 23208146 its reverse (64180232), we get a palindrome (87388378).

The spelling of 23208146 in words is "twenty-three million, two hundred eight thousand, one hundred forty-six".

Divisors: 1 2 13 26 79 158 1027 2054 11299 22598 146887 293774 892621 1785242 11604073 23208146