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10638231 = 35960103
BaseRepresentation
bin101000100101…
…001110010111
3202000110220120
4220211032113
510210410411
61020003023
7156265152
oct50451627
922013816
1010638231
11600672a
123690473
132286216
1415acc99
15e02106
hexa25397

10638231 has 8 divisors (see below), whose sum is σ = 14424960. Its totient is φ = 6971832.

The previous prime is 10638227. The next prime is 10638241. The reversal of 10638231 is 13283601.

10638231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10638231 - 22 = 10638227 is a prime.

It is a super-2 number, since 2×106382312 = 226343917618722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10638241) 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, 29875 + ... + 30228.

It is an arithmetic number, because the mean of its divisors is an integer number (1803120).

Almost surely, 210638231 is an apocalyptic number.

10638231 is a deficient number, since it is larger than the sum of its proper divisors (3786729).

10638231 is an equidigital number, since it uses as much as digits as its factorization.

10638231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60165.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 10638231 is about 3261.6301139154. The cubic root of 10638231 is about 219.9326998000.

The spelling of 10638231 in words is "ten million, six hundred thirty-eight thousand, two hundred thirty-one".

Divisors: 1 3 59 177 60103 180309 3546077 10638231