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312252079 is a prime number
BaseRepresentation
bin10010100111001…
…001011010101111
3210202120001022211
4102213021122233
51114414031304
650552351251
710511045626
oct2247113257
9722501284
10312252079
11150292677
12886a5527
134c8ca759
142d6826bd
151c62e204
hex129c96af

312252079 has 2 divisors, whose sum is σ = 312252080. Its totient is φ = 312252078.

The previous prime is 312252053. The next prime is 312252103. The reversal of 312252079 is 970252213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312252079 - 213 = 312243887 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312252079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312252049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156126039 + 156126040.

It is an arithmetic number, because the mean of its divisors is an integer number (156126040).

Almost surely, 2312252079 is an apocalyptic number.

312252079 is a deficient number, since it is larger than the sum of its proper divisors (1).

312252079 is an equidigital number, since it uses as much as digits as its factorization.

312252079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 312252079 is about 17670.6558735096. The cubic root of 312252079 is about 678.4249003694.

The spelling of 312252079 in words is "three hundred twelve million, two hundred fifty-two thousand, seventy-nine".