Search a number
-
+
25789393 = 719119289
BaseRepresentation
bin110001001100…
…0001111010001
31210112020101201
41202120033101
523100230033
62320431201
7432130510
oct142301721
953466351
1025789393
1113614a53
128778501
13545c5c6
1435d4677
1523e647d
hex18983d1

25789393 has 8 divisors (see below), whose sum is σ = 29629440. Its totient is φ = 21988320.

The previous prime is 25789363. The next prime is 25789411. The reversal of 25789393 is 39398752.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25789393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25789343) 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 7 ways as a sum of consecutive naturals, for example, 8308 + ... + 10981.

It is an arithmetic number, because the mean of its divisors is an integer number (3703680).

Almost surely, 225789393 is an apocalyptic number.

It is an amenable number.

25789393 is a deficient number, since it is larger than the sum of its proper divisors (3840047).

25789393 is a wasteful number, since it uses less digits than its factorization.

25789393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19487.

The product of its digits is 408240, while the sum is 46.

The square root of 25789393 is about 5078.3258067989. The cubic root of 25789393 is about 295.4475367403.

The spelling of 25789393 in words is "twenty-five million, seven hundred eighty-nine thousand, three hundred ninety-three".

Divisors: 1 7 191 1337 19289 135023 3684199 25789393