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314112521 = 417661281
BaseRepresentation
bin10010101110001…
…111101000001001
3210220001120101002
4102232033220021
51120403100041
651100304345
710532624642
oct2256175011
9726046332
10314112521
11151343428
12892420b5
13500cc4c8
142da086c9
151c89a59b
hex12b8fa09

314112521 has 4 divisors (see below), whose sum is σ = 321773844. Its totient is φ = 306451200.

The previous prime is 314112511. The next prime is 314112527. The reversal of 314112521 is 125211413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 168065296 + 146047225 = 12964^2 + 12085^2 .

It is a cyclic number.

It is not a de Polignac number, because 314112521 - 26 = 314112457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 314112493 and 314112502.

It is not an unprimeable number, because it can be changed into a prime (314112527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3830600 + ... + 3830681.

It is an arithmetic number, because the mean of its divisors is an integer number (80443461).

Almost surely, 2314112521 is an apocalyptic number.

It is an amenable number.

314112521 is a deficient number, since it is larger than the sum of its proper divisors (7661323).

314112521 is an equidigital number, since it uses as much as digits as its factorization.

314112521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7661322.

The product of its digits is 240, while the sum is 20.

The square root of 314112521 is about 17723.2198259797. The cubic root of 314112521 is about 679.7696170246.

Adding to 314112521 its reverse (125211413), we get a palindrome (439323934).

The spelling of 314112521 in words is "three hundred fourteen million, one hundred twelve thousand, five hundred twenty-one".

Divisors: 1 41 7661281 314112521