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25248057 = 38416019
BaseRepresentation
bin110000001010…
…0000100111001
31202111201211020
41200110010321
522430414212
62301053053
7424414332
oct140240471
952451736
1025248057
111328526a
128557189
1353000a3
1434d3289
15233ad8c
hex1814139

25248057 has 4 divisors (see below), whose sum is σ = 33664080. Its totient is φ = 16832036.

The previous prime is 25248053. The next prime is 25248059. The reversal of 25248057 is 75084252.

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 a cyclic number.

It is not a de Polignac number, because 25248057 - 22 = 25248053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25248053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4208007 + ... + 4208012.

It is an arithmetic number, because the mean of its divisors is an integer number (8416020).

Almost surely, 225248057 is an apocalyptic number.

It is an amenable number.

25248057 is a deficient number, since it is larger than the sum of its proper divisors (8416023).

25248057 is an equidigital number, since it uses as much as digits as its factorization.

25248057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8416022.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 25248057 is about 5024.7444711149. The cubic root of 25248057 is about 293.3656901577.

The spelling of 25248057 in words is "twenty-five million, two hundred forty-eight thousand, fifty-seven".

Divisors: 1 3 8416019 25248057