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314413921 = 331949891
BaseRepresentation
bin10010101111011…
…001001101100001
3210220121212211001
4102233121031201
51120442221141
651110552001
710535321443
oct2257311541
9726555731
10314413921
11151529918
1289368601
13501a6753
142da86493
151c909a31
hex12bd9361

314413921 has 4 divisors (see below), whose sum is σ = 315364144. Its totient is φ = 313463700.

The previous prime is 314413907. The next prime is 314413943. The reversal of 314413921 is 129314413.

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: 129314413 = 397325729.

It is a cyclic number.

It is not a de Polignac number, because 314413921 - 25 = 314413889 is a prime.

It is a super-2 number, since 2×3144139212 = 197712227437188482, which contains 22 as substring.

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 314413921.

It is not an unprimeable number, because it can be changed into a prime (314413951) 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, 474615 + ... + 475276.

It is an arithmetic number, because the mean of its divisors is an integer number (78841036).

Almost surely, 2314413921 is an apocalyptic number.

It is an amenable number.

314413921 is a deficient number, since it is larger than the sum of its proper divisors (950223).

314413921 is an equidigital number, since it uses as much as digits as its factorization.

314413921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950222.

The product of its digits is 2592, while the sum is 28.

The square root of 314413921 is about 17731.7207568809. The cubic root of 314413921 is about 679.9869670224.

The spelling of 314413921 in words is "three hundred fourteen million, four hundred thirteen thousand, nine hundred twenty-one".

Divisors: 1 331 949891 314413921