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12515052 = 2231194811
BaseRepresentation
bin101111101111…
…011011101100
3212112211102110
4233233123230
511200440202
61124124020
7211243014
oct57573354
925484373
1012515052
117078820
124236610
132792574
14193ac44
15117326c
hexbef6ec

12515052 has 24 divisors (see below), whose sum is σ = 31856832. Its totient is φ = 3792400.

The previous prime is 12515039. The next prime is 12515071. The reversal of 12515052 is 25051521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47274 + ... + 47537.

It is an arithmetic number, because the mean of its divisors is an integer number (1327368).

Almost surely, 212515052 is an apocalyptic number.

12515052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12515052 is an abundant number, since it is smaller than the sum of its proper divisors (19341780).

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

12515052 is a wasteful number, since it uses less digits than its factorization.

12515052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94829 (or 94827 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 12515052 is about 3537.6619397563. The cubic root of 12515052 is about 232.1725579085.

Adding to 12515052 its reverse (25051521), we get a palindrome (37566573).

The spelling of 12515052 in words is "twelve million, five hundred fifteen thousand, fifty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 94811 189622 284433 379244 568866 1042921 1137732 2085842 3128763 4171684 6257526 12515052