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12500052 = 2231041671
BaseRepresentation
bin101111101011…
…110001010100
3212112001211220
4233223301110
511200000202
61123530340
7211151205
oct57536124
925461756
1012500052
117068524
1242299b0
1327887a6
1419355ac
15116dabc
hexbebc54

12500052 has 12 divisors (see below), whose sum is σ = 29166816. Its totient is φ = 4166680.

The previous prime is 12500029. The next prime is 12500069. The reversal of 12500052 is 25000521.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520824 + ... + 520847.

It is an arithmetic number, because the mean of its divisors is an integer number (2430568).

Almost surely, 212500052 is an apocalyptic number.

12500052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12500052 is an abundant number, since it is smaller than the sum of its proper divisors (16666764).

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

12500052 is a wasteful number, since it uses less digits than its factorization.

12500052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041678 (or 1041676 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 12500052 is about 3535.5412598356. The cubic root of 12500052 is about 232.0797634970.

Adding to 12500052 its reverse (25000521), we get a palindrome (37500573).

The spelling of 12500052 in words is "twelve million, five hundred thousand, fifty-two".

Divisors: 1 2 3 4 6 12 1041671 2083342 3125013 4166684 6250026 12500052