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13274830 = 251677949
BaseRepresentation
bin110010101000…
…111011001110
3220222102122101
4302220323032
511344243310
61152305314
7220556062
oct62507316
926872571
1013274830
117547638
12454223a
13299a33a
141a97aa2
15127343a
hexca8ece

13274830 has 16 divisors (see below), whose sum is σ = 24040800. Its totient is φ = 5277472.

The previous prime is 13274827. The next prime is 13274839. The reversal of 13274830 is 3847231.

It is a super-2 number, since 2×132748302 = 352442223057800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13274839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2305 + ... + 5644.

It is an arithmetic number, because the mean of its divisors is an integer number (1502550).

Almost surely, 213274830 is an apocalyptic number.

13274830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13274830 is a deficient number, since it is larger than the sum of its proper divisors (10765970).

13274830 is a wasteful number, since it uses less digits than its factorization.

13274830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8123.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 13274830 is about 3643.4640110752. The cubic root of 13274830 is about 236.7788949530.

The spelling of 13274830 in words is "thirteen million, two hundred seventy-four thousand, eight hundred thirty".

Divisors: 1 2 5 10 167 334 835 1670 7949 15898 39745 79490 1327483 2654966 6637415 13274830