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314707321 = 2313682927
BaseRepresentation
bin10010110000100…
…000110101111001
3210221011210021201
4102300200311321
51121031113241
651121134201
710540653025
oct2260406571
9727153251
10314707321
1115170a2a5
128948a361
135027a166
142db21385
151c966931
hex12c20d79

314707321 has 4 divisors (see below), whose sum is σ = 328390272. Its totient is φ = 301024372.

The previous prime is 314707297. The next prime is 314707331. The reversal of 314707321 is 123707413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123707413 = 643192391.

It is a cyclic number.

It is not a de Polignac number, because 314707321 - 213 = 314699129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 314707321.

It is not an unprimeable number, because it can be changed into a prime (314707331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6841441 + ... + 6841486.

It is an arithmetic number, because the mean of its divisors is an integer number (82097568).

Almost surely, 2314707321 is an apocalyptic number.

It is an amenable number.

314707321 is a deficient number, since it is larger than the sum of its proper divisors (13682951).

314707321 is a wasteful number, since it uses less digits than its factorization.

314707321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13682950.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 314707321 is about 17739.9921364131. The cubic root of 314707321 is about 680.1984145623.

The spelling of 314707321 in words is "three hundred fourteen million, seven hundred seven thousand, three hundred twenty-one".

Divisors: 1 23 13682927 314707321