Search a number
-
+
25135032 = 2331326197
BaseRepresentation
bin101111111100…
…0011110111000
31202021222210010
41133320132320
522413310112
62254421520
7423433656
oct137703670
952258703
1025135032
111320835a
1285018a0
135290800
1434a3dd6
15231763c
hex17f87b8

25135032 has 48 divisors (see below), whose sum is σ = 68054040. Its totient is φ = 7732608.

The previous prime is 25135031. The next prime is 25135037. The reversal of 25135032 is 23053152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25135031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 958 + ... + 7154.

Almost surely, 225135032 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 25135032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34027020).

25135032 is an abundant number, since it is smaller than the sum of its proper divisors (42919008).

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

25135032 is a wasteful number, since it uses less digits than its factorization.

25135032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6232 (or 6215 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 25135032 is about 5013.4850154359. The cubic root of 25135032 is about 292.9272767753.

Adding to 25135032 its reverse (23053152), we get a palindrome (48188184).

The spelling of 25135032 in words is "twenty-five million, one hundred thirty-five thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 169 312 338 507 676 1014 1352 2028 4056 6197 12394 18591 24788 37182 49576 74364 80561 148728 161122 241683 322244 483366 644488 966732 1047293 1933464 2094586 3141879 4189172 6283758 8378344 12567516 25135032