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25472269 = 74334283
BaseRepresentation
bin110000100101…
…0110100001101
31202221010101101
41201022310031
523010103034
62305543101
7426340114
oct141126415
952833341
1025472269
1113418769
128644a91
13537b164
143550c7b
152382514
hex184ad0d

25472269 has 4 divisors (see below), whose sum is σ = 25507296. Its totient is φ = 25437244.

The previous prime is 25472257. The next prime is 25472281. The reversal of 25472269 is 96227452.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (25472257) and next prime (25472281).

It is a cyclic number.

It is not a de Polignac number, because 25472269 - 29 = 25471757 is a prime.

It is a super-2 number, since 2×254722692 = 1297672976016722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25472299) 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 3 ways as a sum of consecutive naturals, for example, 16399 + ... + 17884.

It is an arithmetic number, because the mean of its divisors is an integer number (6376824).

Almost surely, 225472269 is an apocalyptic number.

It is an amenable number.

25472269 is a deficient number, since it is larger than the sum of its proper divisors (35027).

25472269 is an equidigital number, since it uses as much as digits as its factorization.

25472269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35026.

The product of its digits is 60480, while the sum is 37.

The square root of 25472269 is about 5047.0059441217. The cubic root of 25472269 is about 294.2315304841.

The spelling of 25472269 in words is "twenty-five million, four hundred seventy-two thousand, two hundred sixty-nine".

Divisors: 1 743 34283 25472269