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13866130 = 2510712959
BaseRepresentation
bin110100111001…
…010010010010
3222002110202101
4310321102102
512022204010
61213111014
7225601015
oct64712222
928073671
1013866130
117910913
12478846a
132b46515
141bad37c
15133d73a
hexd39492

13866130 has 16 divisors (see below), whose sum is σ = 25194240. Its totient is φ = 5494192.

The previous prime is 13866113. The next prime is 13866133. The reversal of 13866130 is 3166831.

It is a super-2 number, since 2×138661302 = 384539122353800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13866133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5410 + ... + 7549.

It is an arithmetic number, because the mean of its divisors is an integer number (1574640).

Almost surely, 213866130 is an apocalyptic number.

13866130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13866130 is a deficient number, since it is larger than the sum of its proper divisors (11328110).

13866130 is a wasteful number, since it uses less digits than its factorization.

13866130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13073.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 13866130 is about 3723.7252852486. The cubic root of 13866130 is about 240.2435606127.

The spelling of 13866130 in words is "thirteen million, eight hundred sixty-six thousand, one hundred thirty".

Divisors: 1 2 5 10 107 214 535 1070 12959 25918 64795 129590 1386613 2773226 6933065 13866130