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312414449 is a prime number
BaseRepresentation
bin10010100111110…
…001000011110001
3210202212022001112
4102213301003301
51114434230244
651000043105
710512323204
oct2247610361
9722768045
10312414449
11150393666
1288763495
134c956629
142d6c593b
151c66239e
hex129f10f1

312414449 has 2 divisors, whose sum is σ = 312414450. Its totient is φ = 312414448.

The previous prime is 312414391. The next prime is 312414481. The reversal of 312414449 is 944414213.

It is an a-pointer prime, because the next prime (312414481) can be obtained adding 312414449 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303456400 + 8958049 = 17420^2 + 2993^2 .

It is a cyclic number.

It is not a de Polignac number, because 312414449 - 212 = 312410353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (312414149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156207224 + 156207225.

It is an arithmetic number, because the mean of its divisors is an integer number (156207225).

Almost surely, 2312414449 is an apocalyptic number.

It is an amenable number.

312414449 is a deficient number, since it is larger than the sum of its proper divisors (1).

312414449 is an equidigital number, since it uses as much as digits as its factorization.

312414449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 32.

The square root of 312414449 is about 17675.2496163421. The cubic root of 312414449 is about 678.5424728591.

The spelling of 312414449 in words is "three hundred twelve million, four hundred fourteen thousand, four hundred forty-nine".