Search a number
-
+
13720748 = 2212912657
BaseRepresentation
bin110100010101…
…110010101100
3221211002022212
4310111302230
512003030443
61210025552
7224424116
oct64256254
927732285
1013720748
117821668
1247182b8
132ac52b2
141b723b6
151310618
hexd15cac

13720748 has 12 divisors (see below), whose sum is σ = 24038952. Its totient is φ = 6852480.

The previous prime is 13720739. The next prime is 13720753. The reversal of 13720748 is 84702731.

It is a happy number.

13720748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3836 + ... + 6492.

It is an arithmetic number, because the mean of its divisors is an integer number (2003246).

Almost surely, 213720748 is an apocalyptic number.

It is an amenable number.

13720748 is a deficient number, since it is larger than the sum of its proper divisors (10318204).

13720748 is a wasteful number, since it uses less digits than its factorization.

13720748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3952 (or 3950 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 13720748 is about 3704.1528046235. The cubic root of 13720748 is about 239.4009830067.

The spelling of 13720748 in words is "thirteen million, seven hundred twenty thousand, seven hundred forty-eight".

Divisors: 1 2 4 1291 2582 2657 5164 5314 10628 3430187 6860374 13720748