Search a number
-
+
13385826 = 232743657
BaseRepresentation
bin110011000100…
…000001100010
3221012001220100
4303010001202
511411321301
61154523230
7221530506
oct63040142
927161810
1013385826
117612a73
124596516
132a08a0c
141ac6306
151296286
hexcc4062

13385826 has 12 divisors (see below), whose sum is σ = 29002662. Its totient is φ = 4461936.

The previous prime is 13385821. The next prime is 13385837. The reversal of 13385826 is 62858331.

It can be written as a sum of positive squares in only one way, i.e., 7868025 + 5517801 = 2805^2 + 2349^2 .

It is not an unprimeable number, because it can be changed into a prime (13385821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 371811 + ... + 371846.

Almost surely, 213385826 is an apocalyptic number.

13385826 is an abundant number, since it is smaller than the sum of its proper divisors (15616836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13385826 is a wasteful number, since it uses less digits than its factorization.

13385826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743665 (or 743662 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 13385826 is about 3658.6645104464. The cubic root of 13385826 is about 237.4369975083.

The spelling of 13385826 in words is "thirteen million, three hundred eighty-five thousand, eight hundred twenty-six".

Divisors: 1 2 3 6 9 18 743657 1487314 2230971 4461942 6692913 13385826