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23913669 = 3132101467
BaseRepresentation
bin101101100111…
…0010011000101
31122222221101110
41123032103011
522110214134
62212315233
7410156103
oct133162305
948887343
1023913669
111255376a
128012b19
134c53900
143266c73
1521757e9
hex16ce4c5

23913669 has 24 divisors (see below), whose sum is σ = 34942752. Its totient is φ = 14539200.

The previous prime is 23913649. The next prime is 23913683. The reversal of 23913669 is 96631932.

It is not a de Polignac number, because 23913669 - 29 = 23913157 is a prime.

It is a super-2 number, since 2×239136692 = 1143727130083122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23913649) 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 23 ways as a sum of consecutive naturals, for example, 50974 + ... + 51440.

It is an arithmetic number, because the mean of its divisors is an integer number (1455948).

Almost surely, 223913669 is an apocalyptic number.

It is an amenable number.

23913669 is a deficient number, since it is larger than the sum of its proper divisors (11029083).

23913669 is a wasteful number, since it uses less digits than its factorization.

23913669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 584 counting only the distinct ones).

The product of its digits is 52488, while the sum is 39.

The square root of 23913669 is about 4890.1604268163. The cubic root of 23913669 is about 288.1036350603.

The spelling of 23913669 in words is "twenty-three million, nine hundred thirteen thousand, six hundred sixty-nine".

Divisors: 1 3 13 39 101 169 303 467 507 1313 1401 3939 6071 17069 18213 47167 51207 78923 141501 236769 613171 1839513 7971223 23913669