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13109300 = 2252337389
BaseRepresentation
bin110010000000…
…100000110100
3220200000120122
4302000200310
511323444200
61144551112
7216266351
oct62004064
926600518
1013109300
117444236
124482498
13293cba9
141a53628
15123e385
hexc80834

13109300 has 36 divisors (see below), whose sum is σ = 28604940. Its totient is φ = 5214720.

The previous prime is 13109293. The next prime is 13109303. The reversal of 13109300 is 390131.

It can be written as a sum of positive squares in 6 ways, for example, as 1993744 + 11115556 = 1412^2 + 3334^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13109303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33506 + ... + 33894.

Almost surely, 213109300 is an apocalyptic number.

13109300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13109300 is an abundant number, since it is smaller than the sum of its proper divisors (15495640).

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

13109300 is a wasteful number, since it uses less digits than its factorization.

13109300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740 (or 733 counting only the distinct ones).

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

The square root of 13109300 is about 3620.6767323250. The cubic root of 13109300 is about 235.7906071451.

Adding to 13109300 its reverse (390131), we get a palindrome (13499431).

The spelling of 13109300 in words is "thirteen million, one hundred nine thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 337 389 674 778 1348 1556 1685 1945 3370 3890 6740 7780 8425 9725 16850 19450 33700 38900 131093 262186 524372 655465 1310930 2621860 3277325 6554650 13109300