Search a number
-
+
13525057 = 713148627
BaseRepresentation
bin110011100110…
…000001000001
3221110010220001
4303212001001
511430300212
61201520001
7222650440
oct63460101
927403801
1013525057
1176a8637
124643001
132a571c0
141b20d57
1512c2657
hexce6041

13525057 has 8 divisors (see below), whose sum is σ = 16646336. Its totient is φ = 10701072.

The previous prime is 13525027. The next prime is 13525111. The reversal of 13525057 is 75052531.

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 13525057 - 211 = 13523009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13525007) 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, 74223 + ... + 74404.

It is an arithmetic number, because the mean of its divisors is an integer number (2080792).

Almost surely, 213525057 is an apocalyptic number.

It is an amenable number.

13525057 is a deficient number, since it is larger than the sum of its proper divisors (3121279).

13525057 is a wasteful number, since it uses less digits than its factorization.

13525057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148647.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 13525057 is about 3677.6428592238. The cubic root of 13525057 is about 238.2573834424.

Adding to 13525057 its reverse (75052531), we get a palindrome (88577588).

The spelling of 13525057 in words is "thirteen million, five hundred twenty-five thousand, fifty-seven".

Divisors: 1 7 13 91 148627 1040389 1932151 13525057