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10526140 = 225526307
BaseRepresentation
bin101000001001…
…110110111100
3201210210011001
4220021312330
510143314030
61013340044
7155320312
oct50116674
921723131
1010526140
115a3a499
123637624
1322471b1
1415800b2
15dcdcca
hexa09dbc

10526140 has 12 divisors (see below), whose sum is σ = 22104936. Its totient is φ = 4210448.

The previous prime is 10526137. The next prime is 10526147. The reversal of 10526140 is 4162501.

10526140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×105261402 = 221599246599200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10526147) 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, 263134 + ... + 263173.

It is an arithmetic number, because the mean of its divisors is an integer number (1842078).

Almost surely, 210526140 is an apocalyptic number.

10526140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10526140 is an abundant number, since it is smaller than the sum of its proper divisors (11578796).

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

10526140 is a wasteful number, since it uses less digits than its factorization.

10526140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526316 (or 526314 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 10526140 is about 3244.4013315248. The cubic root of 10526140 is about 219.1575216940.

Adding to 10526140 its reverse (4162501), we get a palindrome (14688641).

The spelling of 10526140 in words is "ten million, five hundred twenty-six thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 526307 1052614 2105228 2631535 5263070 10526140