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25240870 = 252524087
BaseRepresentation
bin110000001001…
…0010100100110
31202111100222001
41200102110212
522430201440
62300555514
7424354354
oct140222446
952440861
1025240870
111327a926
128552b9a
1352c9a35
1434d07d4
152338b9a
hex1812526

25240870 has 8 divisors (see below), whose sum is σ = 45433584. Its totient is φ = 10096344.

The previous prime is 25240847. The next prime is 25240877. The reversal of 25240870 is 7804252.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25240877) 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, 1262034 + ... + 1262053.

It is an arithmetic number, because the mean of its divisors is an integer number (5679198).

Almost surely, 225240870 is an apocalyptic number.

25240870 is a deficient number, since it is larger than the sum of its proper divisors (20192714).

25240870 is a wasteful number, since it uses less digits than its factorization.

25240870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524094.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 25240870 is about 5024.0292594689. The cubic root of 25240870 is about 293.3378514570.

The spelling of 25240870 in words is "twenty-five million, two hundred forty thousand, eight hundred seventy".

Divisors: 1 2 5 10 2524087 5048174 12620435 25240870