Search a number
-
+
13047700 = 2252130477
BaseRepresentation
bin110001110001…
…011110010100
3220112220002011
4301301132110
511320011300
61143354004
7215621641
oct61613624
926486064
1013047700
117401a26
124452904
13291ab43
141a38dc8
15122aeba
hexc71794

13047700 has 18 divisors (see below), whose sum is σ = 28313726. Its totient is φ = 5219040.

The previous prime is 13047691. The next prime is 13047703. The reversal of 13047700 is 774031.

13047700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1156 + 13046544 = 34^2 + 3612^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13047703) 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, 65139 + ... + 65338.

Almost surely, 213047700 is an apocalyptic number.

13047700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13047700 is an abundant number, since it is smaller than the sum of its proper divisors (15266026).

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

13047700 is a wasteful number, since it uses less digits than its factorization.

13047700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130491 (or 130484 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 13047700 is about 3612.1600186038. The cubic root of 13047700 is about 235.4207040666.

The spelling of 13047700 in words is "thirteen million, forty-seven thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 130477 260954 521908 652385 1304770 2609540 3261925 6523850 13047700