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23173130 = 254353891
BaseRepresentation
bin101100001100…
…1100000001010
31121121022120002
41120121200022
521413020010
62144403002
7400653101
oct130314012
947538502
1023173130
1112098352
127916462
134a54816
143113038
15207b1a5
hex161980a

23173130 has 16 divisors (see below), whose sum is σ = 42682464. Its totient is φ = 9053520.

The previous prime is 23173109. The next prime is 23173147. The reversal of 23173130 is 3137132.

23173130 = 7132 + 7142 + ... + 7552.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26516 + ... + 27375.

It is an arithmetic number, because the mean of its divisors is an integer number (2667654).

Almost surely, 223173130 is an apocalyptic number.

23173130 is a deficient number, since it is larger than the sum of its proper divisors (19509334).

23173130 is a wasteful number, since it uses less digits than its factorization.

23173130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53941.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 23173130 is about 4813.8477333626. The cubic root of 23173130 is about 285.0984783309.

The spelling of 23173130 in words is "twenty-three million, one hundred seventy-three thousand, one hundred thirty".

Divisors: 1 2 5 10 43 86 215 430 53891 107782 269455 538910 2317313 4634626 11586565 23173130