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12643052 = 228093907
BaseRepresentation
bin110000001110…
…101011101100
3212210100000012
4300032223230
511214034202
61130552352
7212315132
oct60165354
925710005
1012643052
117155a04
1242986b8
1328088c6
141971752
15119b152
hexc0eaec

12643052 has 12 divisors (see below), whose sum is σ = 22158360. Its totient is φ = 6312096.

The previous prime is 12643049. The next prime is 12643109. The reversal of 12643052 is 25034621.

12643052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1283 + ... + 5189.

It is an arithmetic number, because the mean of its divisors is an integer number (1846530).

Almost surely, 212643052 is an apocalyptic number.

It is an amenable number.

12643052 is a deficient number, since it is larger than the sum of its proper divisors (9515308).

12643052 is a wasteful number, since it uses less digits than its factorization.

12643052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4720 (or 4718 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 12643052 is about 3555.7069620541. The cubic root of 12643052 is about 232.9614038374.

Adding to 12643052 its reverse (25034621), we get a palindrome (37677673).

The spelling of 12643052 in words is "twelve million, six hundred forty-three thousand, fifty-two".

Divisors: 1 2 4 809 1618 3236 3907 7814 15628 3160763 6321526 12643052