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12273425 = 52490937
BaseRepresentation
bin101110110100…
…011100010001
3212002112222022
4232310130101
511120222200
61115021225
7206215403
oct56643421
925075868
1012273425
116a2322a
12413a815
1327095a8
1418b6b73
151126885
hexbb4711

12273425 has 6 divisors (see below), whose sum is σ = 15219078. Its totient is φ = 9818720.

The previous prime is 12273403. The next prime is 12273433. The reversal of 12273425 is 52437221.

12273425 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 3 ways, for example, as 2588881 + 9684544 = 1609^2 + 3112^2 .

It is not a de Polignac number, because 12273425 - 28 = 12273169 is a prime.

It is a super-2 number, since 2×122734252 = 301273922461250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12273394 and 12273403.

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, 245444 + ... + 245493.

It is an arithmetic number, because the mean of its divisors is an integer number (2536513).

Almost surely, 212273425 is an apocalyptic number.

It is an amenable number.

12273425 is a deficient number, since it is larger than the sum of its proper divisors (2945653).

12273425 is an equidigital number, since it uses as much as digits as its factorization.

12273425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490947 (or 490942 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 12273425 is about 3503.3448303015. The cubic root of 12273425 is about 230.6686590964.

The spelling of 12273425 in words is "twelve million, two hundred seventy-three thousand, four hundred twenty-five".

Divisors: 1 5 25 490937 2454685 12273425