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23127172 = 225781793
BaseRepresentation
bin101100000111…
…0010010000100
31121111222111221
41120032102010
521410032142
62143410124
7400402105
oct130162204
947458457
1023127172
1112066872
1278b3944
134a39923
1431003ac
15206c767
hex160e484

23127172 has 6 divisors (see below), whose sum is σ = 40472558. Its totient is φ = 11563584.

The previous prime is 23127151. The next prime is 23127179. The reversal of 23127172 is 27172132.

It can be written as a sum of positive squares in only one way, i.e., 21013056 + 2114116 = 4584^2 + 1454^2 .

It is not an unprimeable number, because it can be changed into a prime (23127179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2890893 + ... + 2890900.

Almost surely, 223127172 is an apocalyptic number.

It is an amenable number.

23127172 is a deficient number, since it is larger than the sum of its proper divisors (17345386).

23127172 is a wasteful number, since it uses less digits than its factorization.

23127172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5781797 (or 5781795 counting only the distinct ones).

The product of its digits is 1176, while the sum is 25.

The square root of 23127172 is about 4809.0718439217. The cubic root of 23127172 is about 284.9098801961.

The spelling of 23127172 in words is "twenty-three million, one hundred twenty-seven thousand, one hundred seventy-two".

Divisors: 1 2 4 5781793 11563586 23127172