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23040993 = 329264839
BaseRepresentation
bin101011111100…
…1001111100001
31121100121022010
41113321033201
521344302433
62141503133
7366562623
oct127711741
947317263
1023040993
1112008048
127871aa9
134a09631
1430bac13
152051e63
hex15f93e1

23040993 has 8 divisors (see below), whose sum is σ = 31780800. Its totient is φ = 14830928.

The previous prime is 23040971. The next prime is 23041013. The reversal of 23040993 is 39904032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23040993 - 26 = 23040929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23040993.

It is not an unprimeable number, because it can be changed into a prime (23042993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132333 + ... + 132506.

It is an arithmetic number, because the mean of its divisors is an integer number (3972600).

Almost surely, 223040993 is an apocalyptic number.

It is an amenable number.

23040993 is a deficient number, since it is larger than the sum of its proper divisors (8739807).

23040993 is a wasteful number, since it uses less digits than its factorization.

23040993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264871.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 23040993 is about 4800.1034363855. The cubic root of 23040993 is about 284.5555522577. Note that the first 5 decimals are identical.

The spelling of 23040993 in words is "twenty-three million, forty thousand, nine hundred ninety-three".

Divisors: 1 3 29 87 264839 794517 7680331 23040993