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25275329 = 375312889
BaseRepresentation
bin110000001101…
…0101111000001
31202120010020022
41200122233001
522432302304
62301423225
7424560002
oct140325701
952503208
1025275329
11132a3802
12856ab15
13530c621
1434dd1a9
152343ebe
hex181abc1

25275329 has 8 divisors (see below), whose sum is σ = 26450280. Its totient is φ = 24126336.

The previous prime is 25275307. The next prime is 25275347. The reversal of 25275329 is 92357252.

25275329 = T950 + T951 + ... + T1002.

It can be written as a sum of positive squares in 4 ways, for example, as 13359025 + 11916304 = 3655^2 + 3452^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25275329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25275359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4484 + ... + 8405.

It is an arithmetic number, because the mean of its divisors is an integer number (3306285).

Almost surely, 225275329 is an apocalyptic number.

It is an amenable number.

25275329 is a deficient number, since it is larger than the sum of its proper divisors (1174951).

25275329 is a wasteful number, since it uses less digits than its factorization.

25275329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12979.

The product of its digits is 37800, while the sum is 35.

The square root of 25275329 is about 5027.4575085226. The cubic root of 25275329 is about 293.4712796711.

The spelling of 25275329 in words is "twenty-five million, two hundred seventy-five thousand, three hundred twenty-nine".

Divisors: 1 37 53 1961 12889 476893 683117 25275329