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314856409 = 726425641
BaseRepresentation
bin10010110001000…
…101001111011001
3210221110100210111
4102301011033121
51121100401114
651124244321
710542143500
oct2261051731
9727410714
10314856409
1115180130a
12895406a1
13502ccc8a
142db5d837
151c995bc4
hex12c453d9

314856409 has 6 divisors (see below), whose sum is σ = 366261594. Its totient is φ = 269876880.

The previous prime is 314856401. The next prime is 314856413. The reversal of 314856409 is 904658413.

It can be written as a sum of positive squares in only one way, i.e., 244766025 + 70090384 = 15645^2 + 8372^2 .

It is not a de Polignac number, because 314856409 - 23 = 314856401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (314856401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3212772 + ... + 3212869.

It is an arithmetic number, because the mean of its divisors is an integer number (61043599).

Almost surely, 2314856409 is an apocalyptic number.

It is an amenable number.

314856409 is a deficient number, since it is larger than the sum of its proper divisors (51405185).

314856409 is an equidigital number, since it uses as much as digits as its factorization.

314856409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6425655 (or 6425648 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 314856409 is about 17744.1936700432. The cubic root of 314856409 is about 680.3058089622.

The spelling of 314856409 in words is "three hundred fourteen million, eight hundred fifty-six thousand, four hundred nine".

Divisors: 1 7 49 6425641 44979487 314856409