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25027228 = 2213945013
BaseRepresentation
bin101111101111…
…0001010011100
31202002111220101
41133132022130
522401332403
62252230444
7422504452
oct137361234
952074811
1025027228
1113144366
12846b424
135253715
1434769d2
1522e571d
hex17de29c

25027228 has 12 divisors (see below), whose sum is σ = 44113720. Its totient is φ = 12423312.

The previous prime is 25027153. The next prime is 25027231. The reversal of 25027228 is 82272052.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25027196 and 25027205.

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, 21951 + ... + 23062.

Almost surely, 225027228 is an apocalyptic number.

It is an amenable number.

25027228 is a deficient number, since it is larger than the sum of its proper divisors (19086492).

25027228 is a wasteful number, since it uses less digits than its factorization.

25027228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45156 (or 45154 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 25027228 is about 5002.7220590395. The cubic root of 25027228 is about 292.5078888466.

It can be divided in two parts, 2502 and 7228, that added together give a triangular number (9730 = T139).

The spelling of 25027228 in words is "twenty-five million, twenty-seven thousand, two hundred twenty-eight".

Divisors: 1 2 4 139 278 556 45013 90026 180052 6256807 12513614 25027228