Search a number
-
+
25797401 = 79293967
BaseRepresentation
bin110001001101…
…0001100011001
31210112122101022
41202122030121
523101004101
62320532225
7432163040
oct142321431
953478338
1025797401
111361aa73
128781075
135463146
1435d7557
1523e8a1b
hex189a319

25797401 has 8 divisors (see below), whose sum is σ = 29521920. Its totient is φ = 22082688.

The previous prime is 25797389. The next prime is 25797433. The reversal of 25797401 is 10479752.

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

It is a cyclic number.

It is not a de Polignac number, because 25797401 - 210 = 25796377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25797461) 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, 4520 + ... + 8486.

It is an arithmetic number, because the mean of its divisors is an integer number (3690240).

Almost surely, 225797401 is an apocalyptic number.

It is an amenable number.

25797401 is a deficient number, since it is larger than the sum of its proper divisors (3724519).

25797401 is an equidigital number, since it uses as much as digits as its factorization.

25797401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4903.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 25797401 is about 5079.1141944241. The cubic root of 25797401 is about 295.4781138983.

The spelling of 25797401 in words is "twenty-five million, seven hundred ninety-seven thousand, four hundred one".

Divisors: 1 7 929 3967 6503 27769 3685343 25797401