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13010540 = 2254713841
BaseRepresentation
bin110001101000…
…011001101100
3220111000002212
4301220121230
511312314130
61142505552
7215405414
oct61503154
926430085
1013010540
117387014
1244352b8
132906c5a
141a29644
15121ee95
hexc6866c

13010540 has 24 divisors (see below), whose sum is σ = 27905472. Its totient is φ = 5093120.

The previous prime is 13010477. The next prime is 13010561. The reversal of 13010540 is 4501031.

It is an unprimeable number.

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, 5981 + ... + 7860.

It is an arithmetic number, because the mean of its divisors is an integer number (1162728).

Almost surely, 213010540 is an apocalyptic number.

13010540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13010540 is an abundant number, since it is smaller than the sum of its proper divisors (14894932).

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

13010540 is a wasteful number, since it uses less digits than its factorization.

13010540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13897 (or 13895 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 13010540 is about 3607.0126143389. The cubic root of 13010540 is about 235.1969979332.

Adding to 13010540 its reverse (4501031), we get a palindrome (17511571).

The spelling of 13010540 in words is "thirteen million, ten thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 13841 27682 55364 69205 138410 276820 650527 1301054 2602108 3252635 6505270 13010540