Search a number
-
+
13057700 = 2252177681
BaseRepresentation
bin110001110011…
…111010100100
3220120101210112
4301303322210
511320321300
61143512152
7215663045
oct61637244
926511715
1013057700
117409497
124458658
132922566
141a3c8cc
15122de35
hexc73ea4

13057700 has 36 divisors (see below), whose sum is σ = 30005892. Its totient is φ = 4915200.

The previous prime is 13057699. The next prime is 13057711. The reversal of 13057700 is 775031.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 155236 + 12902464 = 394^2 + 3592^2 .

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 11 ways as a sum of consecutive naturals, for example, 2141 + ... + 5540.

It is an arithmetic number, because the mean of its divisors is an integer number (833497).

Almost surely, 213057700 is an apocalyptic number.

13057700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13057700 is an abundant number, since it is smaller than the sum of its proper divisors (16948192).

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

13057700 is a wasteful number, since it uses less digits than its factorization.

13057700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7712 (or 7705 counting only the distinct ones).

The product of its (nonzero) digits is 735, while the sum is 23.

The square root of 13057700 is about 3613.5439668005. The cubic root of 13057700 is about 235.4808323105.

The spelling of 13057700 in words is "thirteen million, fifty-seven thousand, seven hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 170 340 425 850 1700 7681 15362 30724 38405 76810 130577 153620 192025 261154 384050 522308 652885 768100 1305770 2611540 3264425 6528850 13057700