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314020957 = 1718471821
BaseRepresentation
bin10010101101111…
…001010001011101
3210212212220202211
4102231321101131
51120342132312
651054320421
710532063665
oct2255712135
9725786684
10314020957
11151290658
12891b9111
1350099923
142d9c31a5
151c87d3a7
hex12b7945d

314020957 has 4 divisors (see below), whose sum is σ = 332492796. Its totient is φ = 295549120.

The previous prime is 314020943. The next prime is 314020963. The reversal of 314020957 is 759020413.

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 256352121 + 57668836 = 16011^2 + 7594^2 .

It is a cyclic number.

It is not a de Polignac number, because 314020957 - 219 = 313496669 is a prime.

It is a super-2 number, since 2×3140209572 = 197218322870391698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314020937) 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, 9235894 + ... + 9235927.

It is an arithmetic number, because the mean of its divisors is an integer number (83123199).

Almost surely, 2314020957 is an apocalyptic number.

It is an amenable number.

314020957 is a deficient number, since it is larger than the sum of its proper divisors (18471839).

314020957 is a wasteful number, since it uses less digits than its factorization.

314020957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18471838.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 314020957 is about 17720.6364727681. The cubic root of 314020957 is about 679.7035595134.

The spelling of 314020957 in words is "three hundred fourteen million, twenty thousand, nine hundred fifty-seven".

Divisors: 1 17 18471821 314020957