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312234625 = 532497877
BaseRepresentation
bin10010100111000…
…101001010000001
3210202112011101101
4102213011022001
51114413002000
650552134401
710510644013
oct2247051201
9722464341
10312234625
1115028054a
1288697401
134c8c2821
142d67a1b3
151c628e6a
hex129c5281

312234625 has 8 divisors (see below), whose sum is σ = 389668968. Its totient is φ = 249787600.

The previous prime is 312234599. The next prime is 312234647. The reversal of 312234625 is 526432213.

It can be written as a sum of positive squares in 4 ways, for example, as 98168464 + 214066161 = 9908^2 + 14631^2 .

It is not a de Polignac number, because 312234625 - 213 = 312226433 is a prime.

It is a super-2 number, since 2×3122346252 = 194980922097781250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312234593 and 312234602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248814 + ... + 1249063.

It is an arithmetic number, because the mean of its divisors is an integer number (48708621).

Almost surely, 2312234625 is an apocalyptic number.

It is an amenable number.

312234625 is a deficient number, since it is larger than the sum of its proper divisors (77434343).

312234625 is an equidigital number, since it uses as much as digits as its factorization.

312234625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497892 (or 2497882 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 312234625 is about 17670.1619969937. The cubic root of 312234625 is about 678.4122594620.

Adding to 312234625 its reverse (526432213), we get a palindrome (838666838).

The spelling of 312234625 in words is "three hundred twelve million, two hundred thirty-four thousand, six hundred twenty-five".

Divisors: 1 5 25 125 2497877 12489385 62446925 312234625