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13652983 = 47290489
BaseRepresentation
bin110100000101…
…001111110111
3221200122101001
4310011033313
511443343413
61204344131
7224022421
oct64051767
927618331
1013652983
117785763
1246a5047
132aa04b6
141b55811
1512ea4dd
hexd053f7

13652983 has 4 divisors (see below), whose sum is σ = 13943520. Its totient is φ = 13362448.

The previous prime is 13652957. The next prime is 13652993. The reversal of 13652983 is 38925631.

13652983 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38925631 = 172289743.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13652983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13652953) 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, 145198 + ... + 145291.

It is an arithmetic number, because the mean of its divisors is an integer number (3485880).

Almost surely, 213652983 is an apocalyptic number.

13652983 is a deficient number, since it is larger than the sum of its proper divisors (290537).

13652983 is an equidigital number, since it uses as much as digits as its factorization.

13652983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290536.

The product of its digits is 38880, while the sum is 37.

The square root of 13652983 is about 3694.9943166397. The cubic root of 13652983 is about 239.0062088803.

The spelling of 13652983 in words is "thirteen million, six hundred fifty-two thousand, nine hundred eighty-three".

Divisors: 1 47 290489 13652983