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312313302 = 23272478677
BaseRepresentation
bin10010100111011…
…000010111010110
3210202200011022100
4102213120113112
51114423011202
650553542530
710511422260
oct2247302726
9722604270
10312313302
11150324674
1288714a46
134c91c592
142d69ab30
151c64241c
hex129d85d6

312313302 has 24 divisors (see below), whose sum is σ = 773347536. Its totient is φ = 89232336.

The previous prime is 312313291. The next prime is 312313303. The reversal of 312313302 is 203313213.

It is a super-2 number, since 2×3123133022 = 195079197212286408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312313303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1239213 + ... + 1239464.

It is an arithmetic number, because the mean of its divisors is an integer number (32222814).

Almost surely, 2312313302 is an apocalyptic number.

312313302 is an abundant number, since it is smaller than the sum of its proper divisors (461034234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312313302 is a wasteful number, since it uses less digits than its factorization.

312313302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478692 (or 2478689 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 312313302 is about 17672.3881238502. The cubic root of 312313302 is about 678.4692368699.

Adding to 312313302 its reverse (203313213), we get a palindrome (515626515).

The spelling of 312313302 in words is "three hundred twelve million, three hundred thirteen thousand, three hundred two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 2478677 4957354 7436031 14872062 17350739 22308093 34701478 44616186 52052217 104104434 156156651 312313302