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23355243 = 338391031
BaseRepresentation
bin101100100010…
…1111101101011
31121221120101000
41121011331223
521434331433
62152330043
7402342042
oct131057553
947846330
1023355243
111220215a
1279a3923
134ab9692
14315d559
1520b5113
hex1645f6b

23355243 has 16 divisors (see below), whose sum is σ = 34675200. Its totient is φ = 15536520.

The previous prime is 23355191. The next prime is 23355247. The reversal of 23355243 is 34255332.

It is a de Polignac number, because none of the positive numbers 2k-23355243 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23355247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22138 + ... + 23168.

It is an arithmetic number, because the mean of its divisors is an integer number (2167200).

Almost surely, 223355243 is an apocalyptic number.

23355243 is a deficient number, since it is larger than the sum of its proper divisors (11319957).

23355243 is a wasteful number, since it uses less digits than its factorization.

23355243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879 (or 1873 counting only the distinct ones).

The product of its digits is 10800, while the sum is 27.

The square root of 23355243 is about 4832.7262492303. The cubic root of 23355243 is about 285.8433743938.

The spelling of 23355243 in words is "twenty-three million, three hundred fifty-five thousand, two hundred forty-three".

Divisors: 1 3 9 27 839 1031 2517 3093 7551 9279 22653 27837 865009 2595027 7785081 23355243