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12828616 = 2310115877
BaseRepresentation
bin110000111011…
…111111001000
3220010202112221
4300323333020
511241003431
61134543424
7214020133
oct60737710
926122487
1012828616
117272369
124367b74
1328721c8
1419bd21a
1511d6111
hexc3bfc8

12828616 has 16 divisors (see below), whose sum is σ = 24293340. Its totient is φ = 6350400.

The previous prime is 12828611. The next prime is 12828619. The reversal of 12828616 is 61682821.

It can be written as a sum of positive squares in 2 ways, for example, as 7784100 + 5044516 = 2790^2 + 2246^2 .

It is a super-3 number, since 3×128286163 (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12828611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7131 + ... + 8746.

Almost surely, 212828616 is an apocalyptic number.

It is an amenable number.

12828616 is a deficient number, since it is larger than the sum of its proper divisors (11464724).

12828616 is a wasteful number, since it uses less digits than its factorization.

12828616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15984 (or 15980 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 12828616 is about 3581.7057388903. The cubic root of 12828616 is about 234.0956095041.

The spelling of 12828616 in words is "twelve million, eight hundred twenty-eight thousand, six hundred sixteen".

Divisors: 1 2 4 8 101 202 404 808 15877 31754 63508 127016 1603577 3207154 6414308 12828616