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312214299 = 31731197479
BaseRepresentation
bin10010100111000…
…000001100011011
3210202111010111120
4102213000030123
51114411324144
650551500323
710510530525
oct2247001433
9722433446
10312214299
11150267251
12886876a3
134c8b64b7
142d672a15
151c622e19
hex129c031b

312214299 has 16 divisors (see below), whose sum is σ = 454993920. Its totient is φ = 189578880.

The previous prime is 312214297. The next prime is 312214313. The reversal of 312214299 is 992412213.

It is not a de Polignac number, because 312214299 - 21 = 312214297 is a prime.

It is a super-2 number, since 2×3122142992 = 194955537000122802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312214297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97159 + ... + 100320.

It is an arithmetic number, because the mean of its divisors is an integer number (28437120).

Almost surely, 2312214299 is an apocalyptic number.

312214299 is a deficient number, since it is larger than the sum of its proper divisors (142779621).

312214299 is a wasteful number, since it uses less digits than its factorization.

312214299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197530.

The product of its digits is 7776, while the sum is 33.

The square root of 312214299 is about 17669.5868372749. The cubic root of 312214299 is about 678.3975379399.

The spelling of 312214299 in words is "three hundred twelve million, two hundred fourteen thousand, two hundred ninety-nine".

Divisors: 1 3 17 31 51 93 527 1581 197479 592437 3357143 6121849 10071429 18365547 104071433 312214299