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13274532 = 2232368737
BaseRepresentation
bin110010101000…
…110110100100
3220222102020100
4302220312210
511344241112
61152304100
7220555155
oct62506644
926872210
1013274532
117547397
124542030
13299a16b
141a9792c
1512732dc
hexca8da4

13274532 has 18 divisors (see below), whose sum is σ = 33555158. Its totient is φ = 4424832.

The previous prime is 13274497. The next prime is 13274533. The reversal of 13274532 is 23547231.

It can be written as a sum of positive squares in only one way, i.e., 7485696 + 5788836 = 2736^2 + 2406^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 13274496 and 13274505.

It is not an unprimeable number, because it can be changed into a prime (13274533) 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 5 ways as a sum of consecutive naturals, for example, 184333 + ... + 184404.

Almost surely, 213274532 is an apocalyptic number.

13274532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13274532 is an abundant number, since it is smaller than the sum of its proper divisors (20280626).

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

13274532 is a wasteful number, since it uses less digits than its factorization.

13274532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368747 (or 368742 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 13274532 is about 3643.4231156977. The cubic root of 13274532 is about 236.7771231628. Note that the first 3 decimals are identical.

The spelling of 13274532 in words is "thirteen million, two hundred seventy-four thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 368737 737474 1106211 1474948 2212422 3318633 4424844 6637266 13274532