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12265625 = 57157
BaseRepresentation
bin101110110010…
…100010011001
3212002011021102
4232302202121
511120000000
61114521145
7206153561
oct56624231
925064242
1012265625
116a18389
1241361b5
132705b88
1418b3da1
1511243d5
hexbb2899

12265625 has 16 divisors (see below), whose sum is σ = 15429648. Its totient is φ = 9750000.

The previous prime is 12265613. The next prime is 12265633. The reversal of 12265625 is 52656221.

12265625 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 8317456 + 3948169 = 2884^2 + 1987^2 .

It is not a de Polignac number, because 12265625 - 24 = 12265609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78047 + ... + 78203.

It is an arithmetic number, because the mean of its divisors is an integer number (964353).

Almost surely, 212265625 is an apocalyptic number.

It is an amenable number.

12265625 is a deficient number, since it is larger than the sum of its proper divisors (3164023).

12265625 is an frugal number, since it uses more digits than its factorization.

12265625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 162 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 12265625 is about 3502.2314315305. The cubic root of 12265625 is about 230.6197839367.

The spelling of 12265625 in words is "twelve million, two hundred sixty-five thousand, six hundred twenty-five".

Divisors: 1 5 25 125 157 625 785 3125 3925 15625 19625 78125 98125 490625 2453125 12265625