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25250269 = 112295479
BaseRepresentation
bin110000001010…
…0100111011101
31202111211212011
41200110213131
522431002034
62301111221
7424423642
oct140244735
952454764
1025250269
11132869a0
128558511
1353010b5
1434d3dc9
15233b864
hex18149dd

25250269 has 4 divisors (see below), whose sum is σ = 27545760. Its totient is φ = 22954780.

The previous prime is 25250261. The next prime is 25250299. The reversal of 25250269 is 96205252.

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 25250269 - 23 = 25250261 is a prime.

It is a super-2 number, since 2×252502692 = 1275152169144722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25250269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25250261) 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, 1147729 + ... + 1147750.

It is an arithmetic number, because the mean of its divisors is an integer number (6886440).

Almost surely, 225250269 is an apocalyptic number.

It is an amenable number.

25250269 is a deficient number, since it is larger than the sum of its proper divisors (2295491).

25250269 is a wasteful number, since it uses less digits than its factorization.

25250269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295490.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 25250269 is about 5024.9645769896. The cubic root of 25250269 is about 293.3742572322.

The spelling of 25250269 in words is "twenty-five million, two hundred fifty thousand, two hundred sixty-nine".

Divisors: 1 11 2295479 25250269