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12285564 = 2231576521
BaseRepresentation
bin101110110111…
…011001111100
3212010011121220
4232313121330
511121114224
61115153340
7206265654
oct56673174
925104556
1012285564
116a31365
124145850
132711c85
1418bb364
15112a279
hexbb767c

12285564 has 24 divisors (see below), whose sum is σ = 28853328. Its totient is φ = 4068480.

The previous prime is 12285557. The next prime is 12285587. The reversal of 12285564 is 46558221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1377 + ... + 5144.

It is an arithmetic number, because the mean of its divisors is an integer number (1202222).

Almost surely, 212285564 is an apocalyptic number.

It is an amenable number.

12285564 is an abundant number, since it is smaller than the sum of its proper divisors (16567764).

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

12285564 is a wasteful number, since it uses less digits than its factorization.

12285564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6685 (or 6683 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 12285564 is about 3505.0768893136. The cubic root of 12285564 is about 230.7446814569.

The spelling of 12285564 in words is "twelve million, two hundred eighty-five thousand, five hundred sixty-four".

Divisors: 1 2 3 4 6 12 157 314 471 628 942 1884 6521 13042 19563 26084 39126 78252 1023797 2047594 3071391 4095188 6142782 12285564