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25130632 = 233141329
BaseRepresentation
bin101111111011…
…1011010001000
31202021202202011
41133313122020
522413140012
62254345304
7423415102
oct137673210
952252664
1025130632
111320501a
1284bb234
13528b7c7
1434a2572
1523161a7
hex17f7688

25130632 has 8 divisors (see below), whose sum is σ = 47119950. Its totient is φ = 12565312.

The previous prime is 25130629. The next prime is 25130653. The reversal of 25130632 is 23603152.

It can be written as a sum of positive squares in only one way, i.e., 23951236 + 1179396 = 4894^2 + 1086^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1570657 + ... + 1570672.

Almost surely, 225130632 is an apocalyptic number.

It is an amenable number.

25130632 is a deficient number, since it is larger than the sum of its proper divisors (21989318).

25130632 is a wasteful number, since it uses less digits than its factorization.

25130632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141335 (or 3141331 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 25130632 is about 5013.0461797195. The cubic root of 25130632 is about 292.9101830336.

Adding to 25130632 its reverse (23603152), we get a palindrome (48733784).

The spelling of 25130632 in words is "twenty-five million, one hundred thirty thousand, six hundred thirty-two".

Divisors: 1 2 4 8 3141329 6282658 12565316 25130632