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23073775 = 524122511
BaseRepresentation
bin101100000000…
…1001111101111
31121102021021021
41120001033233
521401330100
62142315011
7400060324
oct130011757
947367237
1023073775
111202a73a
127888a67
134a1b52a
1430c8b4b
15205ba1a
hex16013ef

23073775 has 12 divisors (see below), whose sum is σ = 29310624. Its totient is φ = 18008000.

The previous prime is 23073773. The next prime is 23073781. The reversal of 23073775 is 57737032.

It is not a de Polignac number, because 23073775 - 21 = 23073773 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23073775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23073773) 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 11 ways as a sum of consecutive naturals, for example, 10231 + ... + 12280.

It is an arithmetic number, because the mean of its divisors is an integer number (2442552).

Almost surely, 223073775 is an apocalyptic number.

23073775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23073775 is a deficient number, since it is larger than the sum of its proper divisors (6236849).

23073775 is a wasteful number, since it uses less digits than its factorization.

23073775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22562 (or 22557 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 34.

The square root of 23073775 is about 4803.5169407425. The cubic root of 23073775 is about 284.6904405357.

The spelling of 23073775 in words is "twenty-three million, seventy-three thousand, seven hundred seventy-five".

Divisors: 1 5 25 41 205 1025 22511 112555 562775 922951 4614755 23073775