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13039100 = 22521011291
BaseRepresentation
bin110001101111…
…010111111100
3220112110021122
4301233113330
511314222400
61143250112
7215554604
oct61572774
926473248
1013039100
1173a6518
124449938
132916c59
141a35c04
151228685
hexc6f5fc

13039100 has 36 divisors (see below), whose sum is σ = 28597128. Its totient is φ = 5160000.

The previous prime is 13039099. The next prime is 13039109. The reversal of 13039100 is 193031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13039109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9455 + ... + 10745.

Almost surely, 213039100 is an apocalyptic number.

13039100 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 13039100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14298564).

13039100 is an abundant number, since it is smaller than the sum of its proper divisors (15558028).

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

13039100 is a wasteful number, since it uses less digits than its factorization.

13039100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406 (or 1399 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 13039100 is about 3610.9693989288. The cubic root of 13039100 is about 235.3689692005.

The spelling of 13039100 in words is "thirteen million, thirty-nine thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 101 202 404 505 1010 1291 2020 2525 2582 5050 5164 6455 10100 12910 25820 32275 64550 129100 130391 260782 521564 651955 1303910 2607820 3259775 6519550 13039100