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25045234 = 212522617
BaseRepresentation
bin101111110001…
…0100011110010
31202010102121021
41133202203302
522402421414
62252450054
7422611114
oct137424362
952112537
1025045234
1113156945
12847992a
13525b986
14347d3b4
1522eac24
hex17e28f2

25045234 has 4 divisors (see below), whose sum is σ = 37567854. Its totient is φ = 12522616.

The previous prime is 25045213. The next prime is 25045243. The reversal of 25045234 is 43254052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13505625 + 11539609 = 3675^2 + 3397^2 .

It is a super-2 number, since 2×250452342 = 1254527492229512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25045199 and 25045208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6261307 + ... + 6261310.

Almost surely, 225045234 is an apocalyptic number.

25045234 is a deficient number, since it is larger than the sum of its proper divisors (12522620).

25045234 is a wasteful number, since it uses less digits than its factorization.

25045234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12522619.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 25045234 is about 5004.5213557342. The cubic root of 25045234 is about 292.5780209237.

Adding to 25045234 its reverse (43254052), we get a palindrome (68299286).

The spelling of 25045234 in words is "twenty-five million, forty-five thousand, two hundred thirty-four".

Divisors: 1 2 12522617 25045234