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25005132 = 2233231529
BaseRepresentation
bin101111101100…
…0110001001100
31202001101121000
41133120301030
522400131012
62251540300
7422353155
oct137306114
952041530
1025005132
11131297a9
12845a690
135246649
14346c92c
1522ddddc
hex17d8c4c

25005132 has 24 divisors (see below), whose sum is σ = 64828400. Its totient is φ = 8335008.

The previous prime is 25005131. The next prime is 25005133. The reversal of 25005132 is 23150052.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25005131) and next prime (25005133).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (25005131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115657 + ... + 115872.

Almost surely, 225005132 is an apocalyptic number.

It is an amenable number.

25005132 is an abundant number, since it is smaller than the sum of its proper divisors (39823268).

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

25005132 is a wasteful number, since it uses less digits than its factorization.

25005132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231542 (or 231534 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 25005132 is about 5000.5131736653. The cubic root of 25005132 is about 292.4217805311.

Adding to 25005132 its reverse (23150052), we get a palindrome (48155184).

The spelling of 25005132 in words is "twenty-five million, five thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 231529 463058 694587 926116 1389174 2083761 2778348 4167522 6251283 8335044 12502566 25005132