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25006255 = 55001251
BaseRepresentation
bin101111101100…
…1000010101111
31202001110010121
41133121002233
522400200010
62251545411
7422356351
oct137310257
952043117
1025006255
111312a62a
12845b267
135247001
14346d0d1
1522de3da
hex17d90af

25006255 has 4 divisors (see below), whose sum is σ = 30007512. Its totient is φ = 20005000.

The previous prime is 25006231. The next prime is 25006273. The reversal of 25006255 is 55260052.

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

It is not a de Polignac number, because 25006255 - 27 = 25006127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2500621 + ... + 2500630.

It is an arithmetic number, because the mean of its divisors is an integer number (7501878).

Almost surely, 225006255 is an apocalyptic number.

25006255 is a deficient number, since it is larger than the sum of its proper divisors (5001257).

25006255 is an equidigital number, since it uses as much as digits as its factorization.

25006255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001256.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 25006255 is about 5000.6254608799. The cubic root of 25006255 is about 292.4261580957.

The spelling of 25006255 in words is "twenty-five million, six thousand, two hundred fifty-five".

Divisors: 1 5 5001251 25006255