Search a number
-
+
13790904 = 233574621
BaseRepresentation
bin110100100110…
…111010111000
3221221122120020
4310212322320
512012302104
61211330440
7225135501
oct64467270
927848506
1013790904
11786a346
124750a20
132b1b1ca
141b8dba8
1513262d9
hexd26eb8

13790904 has 16 divisors (see below), whose sum is σ = 34477320. Its totient is φ = 4596960.

The previous prime is 13790879. The next prime is 13790911. The reversal of 13790904 is 40909731.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287287 + ... + 287334.

Almost surely, 213790904 is an apocalyptic number.

It is an amenable number.

13790904 is an abundant number, since it is smaller than the sum of its proper divisors (20686416).

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

13790904 is a wasteful number, since it uses less digits than its factorization.

13790904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574630 (or 574626 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 13790904 is about 3713.6106419494. The cubic root of 13790904 is about 239.8083191732.

The spelling of 13790904 in words is "thirteen million, seven hundred ninety thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 12 24 574621 1149242 1723863 2298484 3447726 4596968 6895452 13790904