Search a number
-
+
25387413 = 3163193269
BaseRepresentation
bin110000011011…
…0000110010101
31202202210222120
41200312012111
522444344123
62304050153
7425534532
oct140660625
952683876
1025387413
111336aa37
128603959
13534b64c
14352bd89
1523672e3
hex1836195

25387413 has 16 divisors (see below), whose sum is σ = 34361280. Its totient is φ = 16671744.

The previous prime is 25387387. The next prime is 25387421. The reversal of 25387413 is 31478352.

It is not a de Polignac number, because 25387413 - 25 = 25387381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25387433) 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 15 ways as a sum of consecutive naturals, for example, 94243 + ... + 94511.

It is an arithmetic number, because the mean of its divisors is an integer number (2147580).

Almost surely, 225387413 is an apocalyptic number.

It is an amenable number.

25387413 is a deficient number, since it is larger than the sum of its proper divisors (8973867).

25387413 is a wasteful number, since it uses less digits than its factorization.

25387413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628.

The product of its digits is 20160, while the sum is 33.

The square root of 25387413 is about 5038.5923629522. The cubic root of 25387413 is about 293.9044416176.

The spelling of 25387413 in words is "twenty-five million, three hundred eighty-seven thousand, four hundred thirteen".

Divisors: 1 3 163 193 269 489 579 807 31459 43847 51917 94377 131541 155751 8462471 25387413