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10530638 = 23125479
BaseRepresentation
bin101000001010…
…111101001110
3201211000022122
4220022331032
510143440023
61013412542
7155336366
oct50127516
921730278
1010530638
115a42908
12363a152
132249261
1415819a6
15dd02c8
hexa0af4e

10530638 has 12 divisors (see below), whose sum is σ = 16324920. Its totient is φ = 5094540.

The previous prime is 10530631. The next prime is 10530643. The reversal of 10530638 is 83603501.

10530638 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 2×105306382 = 221788673374088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10530631) 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, 818 + ... + 4661.

It is an arithmetic number, because the mean of its divisors is an integer number (1360410).

Almost surely, 210530638 is an apocalyptic number.

10530638 is a deficient number, since it is larger than the sum of its proper divisors (5794282).

10530638 is an equidigital number, since it uses as much as digits as its factorization.

10530638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5543 (or 5512 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 10530638 is about 3245.0944516300. The cubic root of 10530638 is about 219.1887338368.

The spelling of 10530638 in words is "ten million, five hundred thirty thousand, six hundred thirty-eight".

Divisors: 1 2 31 62 961 1922 5479 10958 169849 339698 5265319 10530638