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25255212 = 2232104601
BaseRepresentation
bin110000001010…
…1110100101100
31202112002122020
41200111310230
522431131322
62301150140
7424444233
oct140256454
952462566
1025255212
111328a684
12855b350
135303418
1434d5b1a
15233d05c
hex1815d2c

25255212 has 12 divisors (see below), whose sum is σ = 58928856. Its totient is φ = 8418400.

The previous prime is 25255207. The next prime is 25255213. The reversal of 25255212 is 21255252.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (25255213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052289 + ... + 1052312.

It is an arithmetic number, because the mean of its divisors is an integer number (4910738).

Almost surely, 225255212 is an apocalyptic number.

It is an amenable number.

25255212 is an abundant number, since it is smaller than the sum of its proper divisors (33673644).

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

25255212 is a wasteful number, since it uses less digits than its factorization.

25255212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104608 (or 2104606 counting only the distinct ones).

The product of its digits is 2000, while the sum is 24.

The square root of 25255212 is about 5025.4563971842. The cubic root of 25255212 is about 293.3933996598.

The spelling of 25255212 in words is "twenty-five million, two hundred fifty-five thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 2104601 4209202 6313803 8418404 12627606 25255212