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11164540 = 2251015527
BaseRepresentation
bin101010100101…
…101101111100
3210000012212111
4222211231330
510324231130
61035143404
7163616452
oct52455574
923005774
1011164540
1163360a2
1238a4b64
13240b94a
1416a89d2
15ea802a
hexaa5b7c

11164540 has 24 divisors (see below), whose sum is σ = 23681952. Its totient is φ = 4420800.

The previous prime is 11164519. The next prime is 11164553. The reversal of 11164540 is 4546111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744 + ... + 4783.

It is an arithmetic number, because the mean of its divisors is an integer number (986748).

Almost surely, 211164540 is an apocalyptic number.

11164540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11164540 is an abundant number, since it is smaller than the sum of its proper divisors (12517412).

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

11164540 is a wasteful number, since it uses less digits than its factorization.

11164540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5637 (or 5635 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 11164540 is about 3341.3380553305. The cubic root of 11164540 is about 223.5014155095.

The spelling of 11164540 in words is "eleven million, one hundred sixty-four thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 2020 5527 11054 22108 27635 55270 110540 558227 1116454 2232908 2791135 5582270 11164540