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13541140 = 225677057
BaseRepresentation
bin110011101001…
…111100010100
3221110221221201
4303221330110
511431304030
61202122244
7223045354
oct63517424
927427851
1013541140
117709728
124650384
132a61612
141b26b64
1512c72ca
hexce9f14

13541140 has 12 divisors (see below), whose sum is σ = 28436436. Its totient is φ = 5416448.

The previous prime is 13541119. The next prime is 13541147. The reversal of 13541140 is 4114531.

It can be written as a sum of positive squares in 2 ways, for example, as 4468996 + 9072144 = 2114^2 + 3012^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13541147) 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 3 ways as a sum of consecutive naturals, for example, 338509 + ... + 338548.

It is an arithmetic number, because the mean of its divisors is an integer number (2369703).

Almost surely, 213541140 is an apocalyptic number.

13541140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13541140 is an abundant number, since it is smaller than the sum of its proper divisors (14895296).

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

13541140 is a wasteful number, since it uses less digits than its factorization.

13541140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677066 (or 677064 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 13541140 is about 3679.8288003656. The cubic root of 13541140 is about 238.3517854015.

Adding to 13541140 its reverse (4114531), we get a palindrome (17655671).

The spelling of 13541140 in words is "thirteen million, five hundred forty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 677057 1354114 2708228 3385285 6770570 13541140