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315012 = 22326251
BaseRepresentation
bin1001100111010000100
3121000010010
41030322010
540040022
610430220
72451255
oct1147204
9530103
10315012
111a5745
12132370
13b04c9
1482b2c
156350c
hex4ce84

315012 has 12 divisors (see below), whose sum is σ = 735056. Its totient is φ = 105000.

The previous prime is 315011. The next prime is 315013. The reversal of 315012 is 210513.

It is an interprime number because it is at equal distance from previous prime (315011) and next prime (315013).

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

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 26251 = 315012 / (3 + 1 + 5 + 0 + 1 + 2).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (315011) 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, 13114 + ... + 13137.

2315012 is an apocalyptic number.

It is an amenable number.

315012 is an abundant number, since it is smaller than the sum of its proper divisors (420044).

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

315012 is a wasteful number, since it uses less digits than its factorization.

315012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26258 (or 26256 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 315012 is about 561.2592983640. The cubic root of 315012 is about 68.0417851603.

Adding to 315012 its reverse (210513), we get a palindrome (525525).

The spelling of 315012 in words is "three hundred fifteen thousand, twelve".

Divisors: 1 2 3 4 6 12 26251 52502 78753 105004 157506 315012