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10540740 = 2235725097
BaseRepresentation
bin101000001101…
…011011000100
3201211112011210
4220031123010
510144300430
61013531420
7155411010
oct50153304
921745153
1010540740
115a4a461
123643b70
132250a32
141585540
15dd32b0
hexa0d6c4

10540740 has 48 divisors (see below), whose sum is σ = 33731712. Its totient is φ = 2409216.

The previous prime is 10540669. The next prime is 10540741. The reversal of 10540740 is 4704501.

It is a super-2 number, since 2×105407402 = 222214399495200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10540741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12129 + ... + 12968.

It is an arithmetic number, because the mean of its divisors is an integer number (702744).

Almost surely, 210540740 is an apocalyptic number.

10540740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10540740 is an abundant number, since it is smaller than the sum of its proper divisors (23190972).

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

10540740 is a wasteful number, since it uses less digits than its factorization.

10540740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25116 (or 25114 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 10540740 is about 3246.6505817534. The cubic root of 10540740 is about 219.2588004028.

The spelling of 10540740 in words is "ten million, five hundred forty thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 25097 50194 75291 100388 125485 150582 175679 250970 301164 351358 376455 501940 527037 702716 752910 878395 1054074 1505820 1756790 2108148 2635185 3513580 5270370 10540740