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13812300 = 223252103149
BaseRepresentation
bin110100101100…
…001001001100
3221222201220200
4310230021030
512013443200
61212013500
7225255045
oct64541114
927881820
1013812300
117884427
124761290
132b27b78
141b978cc
15132c800
hexd2c24c

13812300 has 108 divisors (see below), whose sum is σ = 44007600. Its totient is φ = 3623040.

The previous prime is 13812289. The next prime is 13812301. The reversal of 13812300 is 321831.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13812301) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 92626 + ... + 92774.

Almost surely, 213812300 is an apocalyptic number.

13812300 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 13812300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22003800).

13812300 is an abundant number, since it is smaller than the sum of its proper divisors (30195300).

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

13812300 is a wasteful number, since it uses less digits than its factorization.

13812300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 13812300 is about 3716.4902798205. The cubic root of 13812300 is about 239.9322725559.

The spelling of 13812300 in words is "thirteen million, eight hundred twelve thousand, three hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 103 149 150 180 206 225 298 300 309 412 447 450 515 596 618 745 894 900 927 1030 1236 1341 1490 1545 1788 1854 2060 2235 2575 2682 2980 3090 3708 3725 4470 4635 5150 5364 6180 6705 7450 7725 8940 9270 10300 11175 13410 14900 15347 15450 18540 22350 23175 26820 30694 30900 33525 44700 46041 46350 61388 67050 76735 92082 92700 134100 138123 153470 184164 230205 276246 306940 383675 460410 552492 690615 767350 920820 1151025 1381230 1534700 2302050 2762460 3453075 4604100 6906150 13812300