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13057000 = 2353111187
BaseRepresentation
bin110001110011…
…101111101000
3220120100211121
4301303233220
511320311000
61143505024
7215661025
oct61635750
926510747
1013057000
117408a10
124458174
132922148
141a3c54c
15122db1a
hexc73be8

13057000 has 64 divisors (see below), whose sum is σ = 33359040. Its totient is φ = 4744000.

The previous prime is 13056973. The next prime is 13057007. The reversal of 13057000 is 75031.

It is not an unprimeable number, because it can be changed into a prime (13057007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10407 + ... + 11593.

It is an arithmetic number, because the mean of its divisors is an integer number (521235).

Almost surely, 213057000 is an apocalyptic number.

13057000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13057000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16679520).

13057000 is an abundant number, since it is smaller than the sum of its proper divisors (20302040).

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

13057000 is a wasteful number, since it uses less digits than its factorization.

13057000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 16.

The square root of 13057000 is about 3613.4471076799. The cubic root of 13057000 is about 235.4766243328.

The spelling of 13057000 in words is "thirteen million, fifty-seven thousand".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 125 200 220 250 275 440 500 550 1000 1100 1187 1375 2200 2374 2750 4748 5500 5935 9496 11000 11870 13057 23740 26114 29675 47480 52228 59350 65285 104456 118700 130570 148375 237400 261140 296750 326425 522280 593500 652850 1187000 1305700 1632125 2611400 3264250 6528500 13057000