Search a number
-
+
13338808 = 237313761
BaseRepresentation
bin110010111000…
…100010111000
3221002200101221
4302320202320
511403320213
61153521424
7221243440
oct62704270
927080357
1013338808
11759070a
124573274
1329c04b2
141ab3120
15128738d
hexcb88b8

13338808 has 32 divisors (see below), whose sum is σ = 28712160. Its totient is φ = 5690880.

The previous prime is 13338799. The next prime is 13338821. The reversal of 13338808 is 80883331.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17148 + ... + 17908.

It is an arithmetic number, because the mean of its divisors is an integer number (897255).

Almost surely, 213338808 is an apocalyptic number.

It is an amenable number.

13338808 is an abundant number, since it is smaller than the sum of its proper divisors (15373352).

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

13338808 is a wasteful number, since it uses less digits than its factorization.

13338808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 13338808 is about 3652.2332893724. The cubic root of 13338808 is about 237.1586705337.

The spelling of 13338808 in words is "thirteen million, three hundred thirty-eight thousand, eight hundred eight".

Divisors: 1 2 4 7 8 14 28 56 313 626 761 1252 1522 2191 2504 3044 4382 5327 6088 8764 10654 17528 21308 42616 238193 476386 952772 1667351 1905544 3334702 6669404 13338808