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23135038 = 230613779
BaseRepresentation
bin101100001000…
…0001100111110
31121112101022021
41120100030332
521410310123
62143510354
7400434043
oct130201476
947471267
1023135038
1112071773
1278b83ba
134a40394
1431031ca
15206ec5d
hex161033e

23135038 has 8 divisors (see below), whose sum is σ = 34723080. Its totient is φ = 11560680.

The previous prime is 23135023. The next prime is 23135051. The reversal of 23135038 is 83053132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×231350382 = 1070459966522888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4233 + ... + 8011.

It is an arithmetic number, because the mean of its divisors is an integer number (4340385).

Almost surely, 223135038 is an apocalyptic number.

23135038 is a deficient number, since it is larger than the sum of its proper divisors (11588042).

23135038 is a wasteful number, since it uses less digits than its factorization.

23135038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6842.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 23135038 is about 4809.8896037227. The cubic root of 23135038 is about 284.9421776611.

The spelling of 23135038 in words is "twenty-three million, one hundred thirty-five thousand, thirty-eight".

Divisors: 1 2 3061 3779 6122 7558 11567519 23135038