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25233434 = 2173233313
BaseRepresentation
bin110000001000…
…0100000011010
31202110222202122
41200100200122
522424432214
62300501242
7424323602
oct140204032
952428678
1025233434
1113275286
12854a822
1352c6535
1434cbc02
15233688e
hex181081a

25233434 has 16 divisors (see below), whose sum is σ = 38354472. Its totient is φ = 12450048.

The previous prime is 25233433. The next prime is 25233479. The reversal of 25233434 is 43433252.

It can be written as a sum of positive squares in 4 ways, for example, as 15642025 + 9591409 = 3955^2 + 3097^2 .

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (25233433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80462 + ... + 80774.

Almost surely, 225233434 is an apocalyptic number.

25233434 is a deficient number, since it is larger than the sum of its proper divisors (13121038).

25233434 is a wasteful number, since it uses less digits than its factorization.

25233434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721.

The product of its digits is 8640, while the sum is 26.

The square root of 25233434 is about 5023.2891614957. The cubic root of 25233434 is about 293.3090426970.

Adding to 25233434 its reverse (43433252), we get a palindrome (68666686).

The spelling of 25233434 in words is "twenty-five million, two hundred thirty-three thousand, four hundred thirty-four".

Divisors: 1 2 173 233 313 346 466 626 40309 54149 72929 80618 108298 145858 12616717 25233434