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12313302 = 232052217
BaseRepresentation
bin101110111110…
…001011010110
3212011120200020
4232332023112
511123011202
61115530010
7206442561
oct56761326
925146606
1012313302
116a50191
124159906
1327217a1
1418c74d8
1511335bc
hexbbe2d6

12313302 has 8 divisors (see below), whose sum is σ = 24626616. Its totient is φ = 4104432.

The previous prime is 12313297. The next prime is 12313309. The reversal of 12313302 is 20331321.

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

12313302 is an admirable number.

It is a super-2 number, since 2×123133022 = 303234812286408, which contains 22 as substring.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313309) 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, 1026103 + ... + 1026114.

It is an arithmetic number, because the mean of its divisors is an integer number (3078327).

Almost surely, 212313302 is an apocalyptic number.

12313302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12313302 is a wasteful number, since it uses less digits than its factorization.

12313302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052222.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 12313302 is about 3509.0314903118. The cubic root of 12313302 is about 230.9182072071.

Adding to 12313302 its reverse (20331321), we get a palindrome (32644623).

The spelling of 12313302 in words is "twelve million, three hundred thirteen thousand, three hundred two".

Divisors: 1 2 3 6 2052217 4104434 6156651 12313302