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25304272 = 247225931
BaseRepresentation
bin110000010000…
…1110011010000
31202121120221021
41200201303100
522434214042
62302205224
7425040250
oct140416320
952546837
1025304272
1113313524
128583814
13531c856
143509960
15234c867
hex1821cd0

25304272 has 20 divisors (see below), whose sum is σ = 56031136. Its totient is φ = 10844640.

The previous prime is 25304261. The next prime is 25304287. The reversal of 25304272 is 27240352.

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, 112854 + ... + 113077.

Almost surely, 225304272 is an apocalyptic number.

It is an amenable number.

25304272 is an abundant number, since it is smaller than the sum of its proper divisors (30726864).

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

25304272 is a wasteful number, since it uses less digits than its factorization.

25304272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225946 (or 225940 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 25304272 is about 5030.3351776994. The cubic root of 25304272 is about 293.5832557822.

The spelling of 25304272 in words is "twenty-five million, three hundred four thousand, two hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 225931 451862 903724 1581517 1807448 3163034 3614896 6326068 12652136 25304272