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10813540 = 225540677
BaseRepresentation
bin101001010000…
…000001100100
3202100101101111
4221100001210
510232013130
61023434404
7160625233
oct51200144
922311344
1010813540
116116411
123755a04
132317c5a
141616b1a
15e3902a
hexa50064

10813540 has 12 divisors (see below), whose sum is σ = 22708476. Its totient is φ = 4325408.

The previous prime is 10813529. The next prime is 10813559. The reversal of 10813540 is 4531801.

It can be written as a sum of positive squares in 2 ways, for example, as 6594624 + 4218916 = 2568^2 + 2054^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270319 + ... + 270358.

It is an arithmetic number, because the mean of its divisors is an integer number (1892373).

Almost surely, 210813540 is an apocalyptic number.

10813540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10813540 is an abundant number, since it is smaller than the sum of its proper divisors (11894936).

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

10813540 is a wasteful number, since it uses less digits than its factorization.

10813540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540686 (or 540684 counting only the distinct ones).

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

The square root of 10813540 is about 3288.3947451606. The cubic root of 10813540 is about 221.1342250209.

The spelling of 10813540 in words is "ten million, eight hundred thirteen thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 540677 1081354 2162708 2703385 5406770 10813540