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10525442 = 25262721
BaseRepresentation
bin101000001001…
…101100000010
3201210202012012
4220021230002
510143303232
61013332522
7155315264
oct50115402
921722165
1010525442
115a39a14
123637142
132246a95
14157db34
15dcd9b2
hexa09b02

10525442 has 4 divisors (see below), whose sum is σ = 15788166. Its totient is φ = 5262720.

The previous prime is 10525433. The next prime is 10525447. The reversal of 10525442 is 24452501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24452501 = 33917211.

It can be written as a sum of positive squares in only one way, i.e., 6911641 + 3613801 = 2629^2 + 1901^2 .

It is a super-2 number, since 2×105254422 = 221569858590728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10525447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2631359 + ... + 2631362.

Almost surely, 210525442 is an apocalyptic number.

10525442 is a deficient number, since it is larger than the sum of its proper divisors (5262724).

10525442 is an equidigital number, since it uses as much as digits as its factorization.

10525442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5262723.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 10525442 is about 3244.2937598189. The cubic root of 10525442 is about 219.1526773943.

Adding to 10525442 its reverse (24452501), we get a palindrome (34977943).

The spelling of 10525442 in words is "ten million, five hundred twenty-five thousand, four hundred forty-two".

Divisors: 1 2 5262721 10525442