Search a number
-
+
25432532 = 2224372609
BaseRepresentation
bin110000100000…
…1000111010100
31202212002212122
41201001013110
523002320112
62305035112
7426113216
oct141010724
952762778
1025432532
11133a0924
128625a98
135366048
1435405b6
152375872
hex18411d4

25432532 has 12 divisors (see below), whose sum is σ = 44542260. Its totient is φ = 12706176.

The previous prime is 25432531. The next prime is 25432553. The reversal of 25432532 is 23523452.

It can be written as a sum of positive squares in 2 ways, for example, as 19061956 + 6370576 = 4366^2 + 2524^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25432531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8444 + ... + 11052.

It is an arithmetic number, because the mean of its divisors is an integer number (3711855).

Almost surely, 225432532 is an apocalyptic number.

It is an amenable number.

25432532 is a deficient number, since it is larger than the sum of its proper divisors (19109728).

25432532 is a wasteful number, since it uses less digits than its factorization.

25432532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050 (or 5048 counting only the distinct ones).

The product of its digits is 7200, while the sum is 26.

The square root of 25432532 is about 5043.0677171737. The cubic root of 25432532 is about 294.0784494555.

Adding to 25432532 its reverse (23523452), we get a palindrome (48955984).

The spelling of 25432532 in words is "twenty-five million, four hundred thirty-two thousand, five hundred thirty-two".

Divisors: 1 2 4 2437 2609 4874 5218 9748 10436 6358133 12716266 25432532