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312314252 = 2278078563
BaseRepresentation
bin10010100111011…
…000100110001100
3210202200012121112
4102213120212030
51114423024002
650553551152
710511425115
oct2247304614
9722605545
10312314252
11150325358
12887154b8
134c91cb43
142d69b20c
151c642852
hex129d898c

312314252 has 6 divisors (see below), whose sum is σ = 546549948. Its totient is φ = 156157124.

The previous prime is 312314239. The next prime is 312314287. The reversal of 312314252 is 252413213.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 39039278 + ... + 39039285.

It is an arithmetic number, because the mean of its divisors is an integer number (91091658).

Almost surely, 2312314252 is an apocalyptic number.

It is an amenable number.

312314252 is a deficient number, since it is larger than the sum of its proper divisors (234235696).

312314252 is a wasteful number, since it uses less digits than its factorization.

312314252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78078567 (or 78078565 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 312314252 is about 17672.4150019175. The cubic root of 312314252 is about 678.4699247957.

Adding to 312314252 its reverse (252413213), we get a palindrome (564727465).

The spelling of 312314252 in words is "three hundred twelve million, three hundred fourteen thousand, two hundred fifty-two".

Divisors: 1 2 4 78078563 156157126 312314252