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12455272 = 231556909
BaseRepresentation
bin101111100000…
…110101101000
3212102210102101
4233200311220
511142032042
61122543144
7210603514
oct57406550
925383371
1012455272
117037915
124207ab4
1327712ab
141923144
1511606b7
hexbe0d68

12455272 has 8 divisors (see below), whose sum is σ = 23353650. Its totient is φ = 6227632.

The previous prime is 12455257. The next prime is 12455291. The reversal of 12455272 is 27255421.

12455272 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 only one way, i.e., 7986276 + 4468996 = 2826^2 + 2114^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12455272.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 778447 + ... + 778462.

Almost surely, 212455272 is an apocalyptic number.

It is an amenable number.

12455272 is a deficient number, since it is larger than the sum of its proper divisors (10898378).

12455272 is a wasteful number, since it uses less digits than its factorization.

12455272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556915 (or 1556911 counting only the distinct ones).

The product of its digits is 5600, while the sum is 28.

The square root of 12455272 is about 3529.2027428302. The cubic root of 12455272 is about 231.8022988757.

The spelling of 12455272 in words is "twelve million, four hundred fifty-five thousand, two hundred seventy-two".

Divisors: 1 2 4 8 1556909 3113818 6227636 12455272