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25094939 = 42895851
BaseRepresentation
bin101111110111…
…0101100011011
31202012221210012
41133232230123
522411014224
62253512135
7423206042
oct137565433
952187705
1025094939
1113190221
1284a264b
13527849c
143493559
15230a80e
hex17eeb1b

25094939 has 4 divisors (see below), whose sum is σ = 25105080. Its totient is φ = 25084800.

The previous prime is 25094933. The next prime is 25094957. The reversal of 25094939 is 93949052.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25094939 - 28 = 25094683 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25094896 and 25094905.

It is not an unprimeable number, because it can be changed into a prime (25094933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1364 + ... + 7214.

It is an arithmetic number, because the mean of its divisors is an integer number (6276270).

Almost surely, 225094939 is an apocalyptic number.

25094939 is a deficient number, since it is larger than the sum of its proper divisors (10141).

25094939 is an equidigital number, since it uses as much as digits as its factorization.

25094939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10140.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 25094939 is about 5009.4849036603. The cubic root of 25094939 is about 292.7714440272.

The spelling of 25094939 in words is "twenty-five million, ninety-four thousand, nine hundred thirty-nine".

Divisors: 1 4289 5851 25094939