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10712540 = 225535627
BaseRepresentation
bin101000110111…
…010111011100
3202011020211202
4220313113130
510220300130
61021335032
7160024616
oct50672734
922136752
1010712540
116057543
123707478
1322b0ca7
1415cbdb6
15e19145
hexa375dc

10712540 has 12 divisors (see below), whose sum is σ = 22496376. Its totient is φ = 4285008.

The previous prime is 10712501. The next prime is 10712543. The reversal of 10712540 is 4521701.

It is a super-2 number, since 2×107125402 = 229517026503200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 535627 = 10712540 / (1 + 0 + 7 + 1 + 2 + 5 + 4 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10712543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267794 + ... + 267833.

It is an arithmetic number, because the mean of its divisors is an integer number (1874698).

Almost surely, 210712540 is an apocalyptic number.

10712540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10712540 is an abundant number, since it is smaller than the sum of its proper divisors (11783836).

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

10712540 is a wasteful number, since it uses less digits than its factorization.

10712540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535636 (or 535634 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 10712540 is about 3273.0016804151. The cubic root of 10712540 is about 220.4435953169.

The spelling of 10712540 in words is "ten million, seven hundred twelve thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 535627 1071254 2142508 2678135 5356270 10712540