Search a number
-
+
13542913 = 29466997
BaseRepresentation
bin110011101010…
…011000000001
3221111001101101
4303222120001
511431333123
61202134401
7223053466
oct63523001
927431341
1013542913
11770aa9a
124651401
132a62377
141b2766d
1512c7aad
hexcea601

13542913 has 4 divisors (see below), whose sum is σ = 14009940. Its totient is φ = 13075888.

The previous prime is 13542871. The next prime is 13542967. The reversal of 13542913 is 31924531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7935489 + 5607424 = 2817^2 + 2368^2 .

It is a cyclic number.

It is not a de Polignac number, because 13542913 - 213 = 13534721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13542413) 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, 233470 + ... + 233527.

It is an arithmetic number, because the mean of its divisors is an integer number (3502485).

Almost surely, 213542913 is an apocalyptic number.

It is an amenable number.

13542913 is a deficient number, since it is larger than the sum of its proper divisors (467027).

13542913 is an equidigital number, since it uses as much as digits as its factorization.

13542913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467026.

The product of its digits is 3240, while the sum is 28.

The square root of 13542913 is about 3680.0697004269. The cubic root of 13542913 is about 238.3621877574.

The spelling of 13542913 in words is "thirteen million, five hundred forty-two thousand, nine hundred thirteen".

Divisors: 1 29 466997 13542913