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10540818 = 232585601
BaseRepresentation
bin101000001101…
…011100010010
3201211112021200
4220031130102
510144301233
61013532030
7155411151
oct50153422
921745250
1010540818
115a4a522
123644016
132250a92
141585598
15dd3313
hexa0d712

10540818 has 12 divisors (see below), whose sum is σ = 22838478. Its totient is φ = 3513600.

The previous prime is 10540811. The next prime is 10540841. The reversal of 10540818 is 81804501.

It can be written as a sum of positive squares in only one way, i.e., 9566649 + 974169 = 3093^2 + 987^2 .

It is a super-2 number, since 2×105408182 = 222217688218248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10540791 and 10540800.

It is not an unprimeable number, because it can be changed into a prime (10540811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 292783 + ... + 292818.

Almost surely, 210540818 is an apocalyptic number.

10540818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10540818 is an abundant number, since it is smaller than the sum of its proper divisors (12297660).

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

10540818 is a wasteful number, since it uses less digits than its factorization.

10540818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585609 (or 585606 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 10540818 is about 3246.6625941111. The cubic root of 10540818 is about 219.2593412296.

The spelling of 10540818 in words is "ten million, five hundred forty thousand, eight hundred eighteen".

Divisors: 1 2 3 6 9 18 585601 1171202 1756803 3513606 5270409 10540818