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231108 = 22319259
BaseRepresentation
bin111000011011000100
3102202000120
4320123010
524343413
64541540
71651533
oct703304
9382016
10231108
111486a9
12b18b0
1381267
146031a
1548723
hex386c4

231108 has 12 divisors (see below), whose sum is σ = 539280. Its totient is φ = 77032.

The previous prime is 231107. The next prime is 231109. The reversal of 231108 is 801132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (231107) and next prime (231109).

It is a tau number, because it is divible by the number of its divisors (12).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 231108.

It is not an unprimeable number, because it can be changed into a prime (231107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9618 + ... + 9641.

It is an arithmetic number, because the mean of its divisors is an integer number (44940).

2231108 is an apocalyptic number.

It is an amenable number.

231108 is an abundant number, since it is smaller than the sum of its proper divisors (308172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231108 is a wasteful number, since it uses less digits than its factorization.

231108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19266 (or 19264 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 231108 is about 480.7369342998. The cubic root of 231108 is about 61.3674851807.

The spelling of 231108 in words is "two hundred thirty-one thousand, one hundred eight".