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25286093 = 719190121
BaseRepresentation
bin110000001110…
…1010111001101
31202120122222222
41200131113031
522433123333
62301545125
7424633250
oct140352715
952518888
1025286093
11133008a8
1285751a5
1353144b1
143503097
152347298
hex181d5cd

25286093 has 8 divisors (see below), whose sum is σ = 30419520. Its totient is φ = 20532960.

The previous prime is 25286069. The next prime is 25286099. The reversal of 25286093 is 39068252.

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

It is not a de Polignac number, because 25286093 - 216 = 25220557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25286099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94928 + ... + 95193.

It is an arithmetic number, because the mean of its divisors is an integer number (3802440).

Almost surely, 225286093 is an apocalyptic number.

It is an amenable number.

25286093 is a deficient number, since it is larger than the sum of its proper divisors (5133427).

25286093 is a wasteful number, since it uses less digits than its factorization.

25286093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190147.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 25286093 is about 5028.5279158020. The cubic root of 25286093 is about 293.5129339463.

The spelling of 25286093 in words is "twenty-five million, two hundred eighty-six thousand, ninety-three".

Divisors: 1 7 19 133 190121 1330847 3612299 25286093