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25005212 = 2245713679
BaseRepresentation
bin101111101100…
…0110010011100
31202001101200222
41133120302130
522400131322
62251540512
7422353331
oct137306234
952041628
1025005212
1113129871
12845a738
1352466ab
14346c988
1522dde42
hex17d8c9c

25005212 has 12 divisors (see below), whose sum is σ = 43858080. Its totient is φ = 12474336.

The previous prime is 25005191. The next prime is 25005263. The reversal of 25005212 is 21250052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5012 + ... + 8667.

It is an arithmetic number, because the mean of its divisors is an integer number (3654840).

Almost surely, 225005212 is an apocalyptic number.

It is an amenable number.

25005212 is a deficient number, since it is larger than the sum of its proper divisors (18852868).

25005212 is a wasteful number, since it uses less digits than its factorization.

25005212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14140 (or 14138 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 25005212 is about 5000.5211728379. The cubic root of 25005212 is about 292.4220923833.

Adding to 25005212 its reverse (21250052), we get a palindrome (46255264).

The spelling of 25005212 in words is "twenty-five million, five thousand, two hundred twelve".

Divisors: 1 2 4 457 914 1828 13679 27358 54716 6251303 12502606 25005212