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12500032 = 261711489
BaseRepresentation
bin101111101011…
…110001000000
3212112001211011
4233223301000
511200000112
61123530304
7211151146
oct57536100
925461734
1012500032
117068506
124229994
13278878c
141935596
15116daa7
hexbebc40

12500032 has 28 divisors (see below), whose sum is σ = 26266140. Its totient is φ = 5881856.

The previous prime is 12500029. The next prime is 12500069. The reversal of 12500032 is 23000521.

12500032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6270016 + 6230016 = 2504^2 + 2496^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12499985 and 12500021.

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, 4657 + ... + 6832.

Almost surely, 212500032 is an apocalyptic number.

It is an amenable number.

12500032 is an abundant number, since it is smaller than the sum of its proper divisors (13766108).

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

12500032 is a wasteful number, since it uses less digits than its factorization.

12500032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11518 (or 11508 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 12500032 is about 3535.5384314132. The cubic root of 12500032 is about 232.0796397216.

Adding to 12500032 its reverse (23000521), we get a palindrome (35500553).

It can be divided in two parts, 125000 and 32, that multiplied together give a square (4000000 = 20002).

The spelling of 12500032 in words is "twelve million, five hundred thousand, thirty-two".

Divisors: 1 2 4 8 16 17 32 34 64 68 136 272 544 1088 11489 22978 45956 91912 183824 195313 367648 390626 735296 781252 1562504 3125008 6250016 12500032