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25272067 = 145117417
BaseRepresentation
bin110000001100…
…1111100000011
31202112221202111
41200121330003
522432201232
62301400151
7424544332
oct140317403
952487674
1025272067
11132a1307
128569057
13530acb2
1434dbd19
152343047
hex1819f03

25272067 has 4 divisors (see below), whose sum is σ = 25290936. Its totient is φ = 25253200.

The previous prime is 25272061. The next prime is 25272077. The reversal of 25272067 is 76027252.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25272067 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (25272061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7258 + ... + 10159.

It is an arithmetic number, because the mean of its divisors is an integer number (6322734).

Almost surely, 225272067 is an apocalyptic number.

25272067 is a deficient number, since it is larger than the sum of its proper divisors (18869).

25272067 is a wasteful number, since it uses less digits than its factorization.

25272067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18868.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 25272067 is about 5027.1330795991. The cubic root of 25272067 is about 293.4586541249.

The spelling of 25272067 in words is "twenty-five million, two hundred seventy-two thousand, sixty-seven".

Divisors: 1 1451 17417 25272067