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12494525 = 52499781
BaseRepresentation
bin101111101010…
…011010111101
3212111210021012
4233222122331
511144311100
61123445005
7211126121
oct57523275
925453235
1012494525
11706435a
124226765
132786114
141933581
15116c135
hexbea6bd

12494525 has 6 divisors (see below), whose sum is σ = 15493242. Its totient is φ = 9995600.

The previous prime is 12494513. The next prime is 12494539. The reversal of 12494525 is 52549421.

It can be written as a sum of positive squares in 3 ways, for example, as 811801 + 11682724 = 901^2 + 3418^2 .

It is a de Polignac number, because none of the positive numbers 2k-12494525 is a prime.

It is a super-2 number, since 2×124945252 = 312226309951250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12494491 and 12494500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 249866 + ... + 249915.

It is an arithmetic number, because the mean of its divisors is an integer number (2582207).

Almost surely, 212494525 is an apocalyptic number.

It is an amenable number.

12494525 is a deficient number, since it is larger than the sum of its proper divisors (2998717).

12494525 is an equidigital number, since it uses as much as digits as its factorization.

12494525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499791 (or 499786 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 12494525 is about 3534.7595392049. The cubic root of 12494525 is about 232.0455531339.

It can be divided in two parts, 124 and 94525, that added together give a palindrome (94649).

The spelling of 12494525 in words is "twelve million, four hundred ninety-four thousand, five hundred twenty-five".

Divisors: 1 5 25 499781 2498905 12494525