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312925 = 5212517
BaseRepresentation
bin1001100011001011101
3120220020211
41030121131
540003200
610412421
72442214
oct1143135
9526224
10312925
111a4118
12131111
13ac582
148207b
1562aba
hex4c65d

312925 has 6 divisors (see below), whose sum is σ = 388058. Its totient is φ = 250320.

The previous prime is 312899. The next prime is 312929. The reversal of 312925 is 529213.

It can be written as a sum of positive squares in 3 ways, for example, as 76729 + 236196 = 277^2 + 486^2 .

It is not a de Polignac number, because 312925 - 29 = 312413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312896 and 312905.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 312925.

It is not an unprimeable number, because it can be changed into a prime (312929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6234 + ... + 6283.

2312925 is an apocalyptic number.

It is an amenable number.

312925 is a deficient number, since it is larger than the sum of its proper divisors (75133).

312925 is a wasteful number, since it uses less digits than its factorization.

312925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12527 (or 12522 counting only the distinct ones).

The product of its digits is 540, while the sum is 22.

The square root of 312925 is about 559.3969967742. The cubic root of 312925 is about 67.8911898790.

The spelling of 312925 in words is "three hundred twelve thousand, nine hundred twenty-five".

Divisors: 1 5 25 12517 62585 312925