Search a number
-
+
25122396 = 22313179473
BaseRepresentation
bin101111111010…
…1011001011100
31202021100110010
41133311121130
522412404041
62254243220
7423352065
oct137653134
952240403
1025122396
11131a9912
1284b6510
135287b30
14349d56c
152313a16
hex17f565c

25122396 has 48 divisors (see below), whose sum is σ = 66848544. Its totient is φ = 7274496.

The previous prime is 25122373. The next prime is 25122403. The reversal of 25122396 is 69322152.

It is a super-2 number, since 2×251223962 = 1262269561561632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2085 + ... + 7388.

It is an arithmetic number, because the mean of its divisors is an integer number (1392678).

Almost surely, 225122396 is an apocalyptic number.

25122396 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

25122396 is an abundant number, since it is smaller than the sum of its proper divisors (41726148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25122396 is a wasteful number, since it uses less digits than its factorization.

25122396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9510 (or 9508 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 25122396 is about 5012.2246557791. The cubic root of 25122396 is about 292.8781812936.

The spelling of 25122396 in words is "twenty-five million, one hundred twenty-two thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 12 13 17 26 34 39 51 52 68 78 102 156 204 221 442 663 884 1326 2652 9473 18946 28419 37892 56838 113676 123149 161041 246298 322082 369447 483123 492596 644164 738894 966246 1477788 1932492 2093533 4187066 6280599 8374132 12561198 25122396