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12528052 = 223784649
BaseRepresentation
bin101111110010…
…100110110100
3212120111020221
4233302212310
511201344202
61124304124
7211325635
oct57624664
925514227
1012528052
117087569
124242044
132798464
14194188c
151177037
hexbf29b4

12528052 has 12 divisors (see below), whose sum is σ = 22516900. Its totient is φ = 6094656.

The previous prime is 12528037. The next prime is 12528067. The reversal of 12528052 is 25082521.

It is an interprime number because it is at equal distance from previous prime (12528037) and next prime (12528067).

It can be written as a sum of positive squares in 2 ways, for example, as 6739216 + 5788836 = 2596^2 + 2406^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42177 + ... + 42472.

Almost surely, 212528052 is an apocalyptic number.

It is an amenable number.

12528052 is a deficient number, since it is larger than the sum of its proper divisors (9988848).

12528052 is a wasteful number, since it uses less digits than its factorization.

12528052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84690 (or 84688 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 12528052 is about 3539.4988345810. The cubic root of 12528052 is about 232.2529197744.

The spelling of 12528052 in words is "twelve million, five hundred twenty-eight thousand, fifty-two".

Divisors: 1 2 4 37 74 148 84649 169298 338596 3132013 6264026 12528052