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13488085 = 513207509
BaseRepresentation
bin110011011100…
…111111010101
3221101021011201
4303130333111
511423104320
61201032501
7222434602
oct63347725
927337151
1013488085
117682886
124625731
132a43420
141b116a9
1512b670a
hexcdcfd5

13488085 has 8 divisors (see below), whose sum is σ = 17430840. Its totient is φ = 9960384.

The previous prime is 13488073. The next prime is 13488127. The reversal of 13488085 is 58088431.

It can be written as a sum of positive squares in 4 ways, for example, as 2775556 + 10712529 = 1666^2 + 3273^2 .

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 13488085 - 215 = 13455317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103690 + ... + 103819.

It is an arithmetic number, because the mean of its divisors is an integer number (2178855).

Almost surely, 213488085 is an apocalyptic number.

It is an amenable number.

13488085 is a deficient number, since it is larger than the sum of its proper divisors (3942755).

13488085 is a wasteful number, since it uses less digits than its factorization.

13488085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207527.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 13488085 is about 3672.6128301252. The cubic root of 13488085 is about 238.0400857557.

The spelling of 13488085 in words is "thirteen million, four hundred eighty-eight thousand, eighty-five".

Divisors: 1 5 13 65 207509 1037545 2697617 13488085