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10528663 = 56318701
BaseRepresentation
bin101000001010…
…011110010111
3201210220121111
4220022132113
510143404123
61013355451
7155330545
oct50123627
921726544
1010528663
115a41382
123638b87
1322483a2
141580d95
15dce90d
hexa0a797

10528663 has 4 divisors (see below), whose sum is σ = 10547928. Its totient is φ = 10509400.

The previous prime is 10528657. The next prime is 10528691. The reversal of 10528663 is 36682501.

10528663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36682501 = 61759453.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10528663 is a prime.

It is a super-2 number, since 2×105286632 = 221705489135138, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10528613) 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, 8788 + ... + 9913.

It is an arithmetic number, because the mean of its divisors is an integer number (2636982).

Almost surely, 210528663 is an apocalyptic number.

10528663 is a deficient number, since it is larger than the sum of its proper divisors (19265).

10528663 is an equidigital number, since it uses as much as digits as its factorization.

10528663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19264.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 10528663 is about 3244.7901318883. The cubic root of 10528663 is about 219.1750301778.

The spelling of 10528663 in words is "ten million, five hundred twenty-eight thousand, six hundred sixty-three".

Divisors: 1 563 18701 10528663