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10523025 = 325246769
BaseRepresentation
bin101000001001…
…000110010001
3201210121212200
4220021012101
510143214100
61013313413
7155305242
oct50110621
921717780
1010523025
115a38117
123635869
132245956
14157ccc9
15dcce00
hexa09191

10523025 has 18 divisors (see below), whose sum is σ = 18848310. Its totient is φ = 5612160.

The previous prime is 10523021. The next prime is 10523047. The reversal of 10523025 is 52032501.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 103041 + 10419984 = 321^2 + 3228^2 .

It is not a de Polignac number, because 10523025 - 22 = 10523021 is a prime.

It is a super-2 number, since 2×105230252 = 221468110301250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10522989 and 10523007.

It is not an unprimeable number, because it can be changed into a prime (10523021) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23160 + ... + 23609.

Almost surely, 210523025 is an apocalyptic number.

10523025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10523025 is a deficient number, since it is larger than the sum of its proper divisors (8325285).

10523025 is a wasteful number, since it uses less digits than its factorization.

10523025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46785 (or 46777 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 10523025 is about 3243.9212382547. The cubic root of 10523025 is about 219.1359011369.

Adding to 10523025 its reverse (52032501), we get a palindrome (62555526).

The spelling of 10523025 in words is "ten million, five hundred twenty-three thousand, twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 46769 140307 233845 420921 701535 1169225 2104605 3507675 10523025