Search a number
-
+
25234392 = 23317127487
BaseRepresentation
bin110000001000…
…0101111011000
31202111001002010
41200100233120
522430000032
62300505520
7424326441
oct140205730
952431063
1025234392
1113275a77
12854b2a0
1352c6ac1
1434cc2c8
152336ccc
hex1810bd8

25234392 has 64 divisors (see below), whose sum is σ = 67461120. Its totient is φ = 7838208.

The previous prime is 25234361. The next prime is 25234397. The reversal of 25234392 is 29343252.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25234397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51573 + ... + 52059.

It is an arithmetic number, because the mean of its divisors is an integer number (1054080).

Almost surely, 225234392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25234392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33730560).

25234392 is an abundant number, since it is smaller than the sum of its proper divisors (42226728).

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

25234392 is a wasteful number, since it uses less digits than its factorization.

25234392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640 (or 636 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 25234392 is about 5023.3845164391. The cubic root of 25234392 is about 293.3127545251.

The spelling of 25234392 in words is "twenty-five million, two hundred thirty-four thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 127 136 204 254 381 408 487 508 762 974 1016 1461 1524 1948 2159 2922 3048 3896 4318 5844 6477 8279 8636 11688 12954 16558 17272 24837 25908 33116 49674 51816 61849 66232 99348 123698 185547 198696 247396 371094 494792 742188 1051433 1484376 2102866 3154299 4205732 6308598 8411464 12617196 25234392