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314031813 = 3826912659
BaseRepresentation
bin10010101101111…
…011111011000101
3210212220110122220
4102231323323011
51120343004223
651054442553
710532140434
oct2255737305
9725813586
10314031813
11151298827
1289203459
13500a1854
142d9c711b
151c8816e3
hex12b7bec5

314031813 has 8 divisors (see below), whose sum is σ = 418792800. Its totient is φ = 209312688.

The previous prime is 314031779. The next prime is 314031889. The reversal of 314031813 is 318130413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 314031813 - 210 = 314030789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314031713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18478 + ... + 31136.

It is an arithmetic number, because the mean of its divisors is an integer number (52349100).

Almost surely, 2314031813 is an apocalyptic number.

It is an amenable number.

314031813 is a deficient number, since it is larger than the sum of its proper divisors (104760987).

314031813 is a wasteful number, since it uses less digits than its factorization.

314031813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20931.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 314031813 is about 17720.9427796605. The cubic root of 314031813 is about 679.7113920871.

The spelling of 314031813 in words is "three hundred fourteen million, thirty-one thousand, eight hundred thirteen".

Divisors: 1 3 8269 12659 24807 37977 104677271 314031813