Search a number
-
+
25913701 = 1119123989
BaseRepresentation
bin110001011011…
…0100101100101
31210202112220201
41202312211211
523113214301
62323230501
7433156102
oct142664545
953675821
1025913701
111369a390
128818431
1354a4068
143627aa9
15241d201
hex18b6965

25913701 has 8 divisors (see below), whose sum is σ = 29757600. Its totient is φ = 22317840.

The previous prime is 25913689. The next prime is 25913717. The reversal of 25913701 is 10731952.

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 25913701 - 25 = 25913669 is a prime.

It is a super-3 number, since 3×259137013 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25913701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25913761) 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, 61786 + ... + 62203.

It is an arithmetic number, because the mean of its divisors is an integer number (3719700).

Almost surely, 225913701 is an apocalyptic number.

It is an amenable number.

25913701 is a deficient number, since it is larger than the sum of its proper divisors (3843899).

25913701 is a wasteful number, since it uses less digits than its factorization.

25913701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124019.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 25913701 is about 5090.5501667305. The cubic root of 25913701 is about 295.9214737215.

The spelling of 25913701 in words is "twenty-five million, nine hundred thirteen thousand, seven hundred one".

Divisors: 1 11 19 209 123989 1363879 2355791 25913701