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12252488 = 231531561
BaseRepresentation
bin101110101111…
…010101001000
3212001111020212
4232233111020
511114034423
61114340252
7206100353
oct56572510
925044225
1012252488
116a09526
12412a688
1326ccbc1
1418ad29a
151120578
hexbaf548

12252488 has 8 divisors (see below), whose sum is σ = 22973430. Its totient is φ = 6126240.

The previous prime is 12252469. The next prime is 12252497. The reversal of 12252488 is 88425221.

It can be written as a sum of positive squares in only one way, i.e., 12124324 + 128164 = 3482^2 + 358^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765773 + ... + 765788.

Almost surely, 212252488 is an apocalyptic number.

It is an amenable number.

12252488 is a deficient number, since it is larger than the sum of its proper divisors (10720942).

12252488 is a wasteful number, since it uses less digits than its factorization.

12252488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531567 (or 1531563 counting only the distinct ones).

The product of its digits is 10240, while the sum is 32.

The square root of 12252488 is about 3500.3554105262. The cubic root of 12252488 is about 230.5374200301.

The spelling of 12252488 in words is "twelve million, two hundred fifty-two thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 1531561 3063122 6126244 12252488