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23475413 = 132973853
BaseRepresentation
bin101100110001…
…1010011010101
31122011200012202
41121203103111
522002203123
62155054245
7403352303
oct131432325
948150182
1023475413
1112284475
127a41385
134b2c2a0
143191273
1520daa28
hex16634d5

23475413 has 16 divisors (see below), whose sum is σ = 26542320. Its totient is φ = 20611584.

The previous prime is 23475407. The next prime is 23475421. The reversal of 23475413 is 31457432.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3912484 + 19562929 = 1978^2 + 4423^2 .

It is a cyclic number.

It is not a de Polignac number, because 23475413 - 212 = 23471317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23475913) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 27095 + ... + 27947.

It is an arithmetic number, because the mean of its divisors is an integer number (1658895).

Almost surely, 223475413 is an apocalyptic number.

It is an amenable number.

23475413 is a deficient number, since it is larger than the sum of its proper divisors (3066907).

23475413 is a wasteful number, since it uses less digits than its factorization.

23475413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968.

The product of its digits is 10080, while the sum is 29.

The square root of 23475413 is about 4845.1432383367. The cubic root of 23475413 is about 286.3327870232.

The spelling of 23475413 in words is "twenty-three million, four hundred seventy-five thousand, four hundred thirteen".

Divisors: 1 13 29 73 377 853 949 2117 11089 24737 27521 62269 321581 809497 1805801 23475413