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312108 = 22331839
BaseRepresentation
bin1001100001100101100
3120212010120
41030030230
534441413
610404540
72436636
oct1141454
9525116
10312108
111a3545
12130750
13ac0a4
1481a56
1562723
hex4c32c

312108 has 24 divisors (see below), whose sum is σ = 752640. Its totient is φ = 100560.

The previous prime is 312107. The next prime is 312121. The reversal of 312108 is 801213.

It is a happy number.

312108 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3121082 = 194822807328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312101) 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, 48 + ... + 791.

It is an arithmetic number, because the mean of its divisors is an integer number (31360).

2312108 is an apocalyptic number.

It is an amenable number.

312108 is an abundant number, since it is smaller than the sum of its proper divisors (440532).

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

312108 is a wasteful number, since it uses less digits than its factorization.

312108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877 (or 875 counting only the distinct ones).

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

The square root of 312108 is about 558.6662688941. Note that the first 3 decimals coincide. The cubic root of 312108 is about 67.8320538300.

The spelling of 312108 in words is "three hundred twelve thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 839 1678 2517 3356 5034 10068 26009 52018 78027 104036 156054 312108