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314852381 is a prime number
BaseRepresentation
bin10010110001000…
…100010000011101
3210221110011021022
4102301010100131
51121100234011
651124213525
710542125654
oct2261042035
9727404238
10314852381
111517a9288
128953a2a5
13502cb1ac
142db5c19b
151c9948db
hex12c4441d

314852381 has 2 divisors, whose sum is σ = 314852382. Its totient is φ = 314852380.

The previous prime is 314852371. The next prime is 314852387. The reversal of 314852381 is 183258413.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 290191225 + 24661156 = 17035^2 + 4966^2 .

It is a cyclic number.

It is not a de Polignac number, because 314852381 - 210 = 314851357 is a prime.

It is a super-2 number, since 2×3148523812 = 198264043642738322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314852387) by changing a digit.

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 as a sum of consecutive naturals, namely, 157426190 + 157426191.

It is an arithmetic number, because the mean of its divisors is an integer number (157426191).

Almost surely, 2314852381 is an apocalyptic number.

It is an amenable number.

314852381 is a deficient number, since it is larger than the sum of its proper divisors (1).

314852381 is an equidigital number, since it uses as much as digits as its factorization.

314852381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 35.

The square root of 314852381 is about 17744.0801677630. The cubic root of 314852381 is about 680.3029078689.

The spelling of 314852381 in words is "three hundred fourteen million, eight hundred fifty-two thousand, three hundred eighty-one".