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23253075 = 345211483
BaseRepresentation
bin101100010110…
…1000001010011
31121202101020000
41120231001103
521423044300
62150221043
7401435136
oct130550123
947671200
1023253075
111214241a
127954783
134a82021
14313421d
152094c00
hex162d053

23253075 has 30 divisors (see below), whose sum is σ = 43076484. Its totient is φ = 12400560.

The previous prime is 23253071. The next prime is 23253077. The reversal of 23253075 is 57035232.

It is not a de Polignac number, because 23253075 - 22 = 23253071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (23253071) 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 29 ways as a sum of consecutive naturals, for example, 3717 + ... + 7766.

Almost surely, 223253075 is an apocalyptic number.

23253075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23253075 is a deficient number, since it is larger than the sum of its proper divisors (19823409).

23253075 is a wasteful number, since it uses less digits than its factorization.

23253075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11505 (or 11491 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 23253075 is about 4822.1442326003. The cubic root of 23253075 is about 285.4259558547.

The spelling of 23253075 in words is "twenty-three million, two hundred fifty-three thousand, seventy-five".

Divisors: 1 3 5 9 15 25 27 45 75 81 135 225 405 675 2025 11483 34449 57415 103347 172245 287075 310041 516735 861225 930123 1550205 2583675 4650615 7751025 23253075