Search a number
-
+
13770613 = 83251661
BaseRepresentation
bin110100100001…
…111101110101
3221220121201201
4310201331311
512011124423
61211052501
7225022363
oct64417565
927817651
1013770613
11785607a
124741131
132b11bbc
141b86633
1513202ad
hexd21f75

13770613 has 8 divisors (see below), whose sum is σ = 14013216. Its totient is φ = 13530000.

The previous prime is 13770607. The next prime is 13770637. The reversal of 13770613 is 31607731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13770613 - 221 = 11673461 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 (13770683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20503 + ... + 21163.

It is an arithmetic number, because the mean of its divisors is an integer number (1751652).

Almost surely, 213770613 is an apocalyptic number.

It is an amenable number.

13770613 is a deficient number, since it is larger than the sum of its proper divisors (242603).

13770613 is an equidigital number, since it uses as much as digits as its factorization.

13770613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 13770613 is about 3710.8776589912. The cubic root of 13770613 is about 239.6906488829.

The spelling of 13770613 in words is "thirteen million, seven hundred seventy thousand, six hundred thirteen".

Divisors: 1 83 251 661 20833 54863 165911 13770613