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13545132 = 2231128761
BaseRepresentation
bin110011101010…
…111010101100
3221111011102120
4303222322230
511431421012
61202152540
7223063116
oct63527254
927434376
1013545132
117711727
124652750
132a63393
141b283b6
1512c858c
hexceaeac

13545132 has 12 divisors (see below), whose sum is σ = 31605336. Its totient is φ = 4515040.

The previous prime is 13545127. The next prime is 13545151. The reversal of 13545132 is 23154531.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564369 + ... + 564392.

It is an arithmetic number, because the mean of its divisors is an integer number (2633778).

Almost surely, 213545132 is an apocalyptic number.

13545132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13545132 is an abundant number, since it is smaller than the sum of its proper divisors (18060204).

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

13545132 is a wasteful number, since it uses less digits than its factorization.

13545132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128768 (or 1128766 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 13545132 is about 3680.3711769331. The cubic root of 13545132 is about 238.3752055576.

Adding to 13545132 its reverse (23154531), we get a palindrome (36699663).

The spelling of 13545132 in words is "thirteen million, five hundred forty-five thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 1128761 2257522 3386283 4515044 6772566 13545132