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314051921 is a prime number
BaseRepresentation
bin10010101110000…
…000110101010001
3210212221111020122
4102232000311101
51120344130141
651055120025
710532253161
oct2256006521
9725844218
10314051921
11151301947
1289213015
13500aaa51
142d9d05a1
151c88764b
hex12b80d51

314051921 has 2 divisors, whose sum is σ = 314051922. Its totient is φ = 314051920.

The previous prime is 314051909. The next prime is 314051929. The reversal of 314051921 is 129150413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265331521 + 48720400 = 16289^2 + 6980^2 .

It is a cyclic number.

It is not a de Polignac number, because 314051921 - 210 = 314050897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (314051929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157025960 + 157025961.

It is an arithmetic number, because the mean of its divisors is an integer number (157025961).

Almost surely, 2314051921 is an apocalyptic number.

It is an amenable number.

314051921 is a deficient number, since it is larger than the sum of its proper divisors (1).

314051921 is an equidigital number, since it uses as much as digits as its factorization.

314051921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 314051921 is about 17721.5101218830. The cubic root of 314051921 is about 679.7258994760.

The spelling of 314051921 in words is "three hundred fourteen million, fifty-one thousand, nine hundred twenty-one".