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23075513 = 107215659
BaseRepresentation
bin101100000000…
…1101010111001
31121102100122122
41120001222321
521401404023
62142331025
7400065356
oct130015271
947370578
1023075513
1112030a7a
127889a75
134a1c266
1430c962d
15205c2c8
hex1601ab9

23075513 has 4 divisors (see below), whose sum is σ = 23291280. Its totient is φ = 22859748.

The previous prime is 23075491. The next prime is 23075539. The reversal of 23075513 is 31557032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23075513 - 210 = 23074489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23075113) by changing a digit.

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, 107723 + ... + 107936.

It is an arithmetic number, because the mean of its divisors is an integer number (5822820).

Almost surely, 223075513 is an apocalyptic number.

It is an amenable number.

23075513 is a deficient number, since it is larger than the sum of its proper divisors (215767).

23075513 is a wasteful number, since it uses less digits than its factorization.

23075513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215766.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 23075513 is about 4803.6978464512. The cubic root of 23075513 is about 284.6975883266.

The spelling of 23075513 in words is "twenty-three million, seventy-five thousand, five hundred thirteen".

Divisors: 1 107 215659 23075513