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12545532 = 2232348487
BaseRepresentation
bin101111110110…
…110111111100
3212121101020100
4233312313330
511202424112
61124521100
7211430616
oct57666774
925541210
1012545532
11709970a
124250190
1327a33bc
141947db6
15117c2dc
hexbf6dfc

12545532 has 18 divisors (see below), whose sum is σ = 31712408. Its totient is φ = 4181832.

The previous prime is 12545527. The next prime is 12545563. The reversal of 12545532 is 23554521.

It is a happy number.

12545532 is a `hidden beast` number, since 125 + 4 + 5 + 532 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 12545496 and 12545505.

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, 174208 + ... + 174279.

Almost surely, 212545532 is an apocalyptic number.

12545532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12545532 is an abundant number, since it is smaller than the sum of its proper divisors (19166876).

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

12545532 is a wasteful number, since it uses less digits than its factorization.

12545532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348497 (or 348492 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 12545532 is about 3541.9672499898. The cubic root of 12545532 is about 232.3608879921.

It can be divided in two parts, 1254 and 5532, that added together give a triangular number (6786 = T116).

The spelling of 12545532 in words is "twelve million, five hundred forty-five thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 348487 696974 1045461 1393948 2090922 3136383 4181844 6272766 12545532