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25895142 = 23271315809
BaseRepresentation
bin110001011001…
…0000011100110
31210201121110100
41202302003212
523112121032
62323004530
7433051020
oct142620346
953647410
1025895142
1113687449
128809746
135498790
143621010
15241797c
hex18b20e6

25895142 has 48 divisors (see below), whose sum is σ = 69058080. Its totient is φ = 6829056.

The previous prime is 25895117. The next prime is 25895147. The reversal of 25895142 is 24159852.

It is a junction number, because it is equal to n+sod(n) for n = 25895097 and 25895106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25895147) 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 23 ways as a sum of consecutive naturals, for example, 6267 + ... + 9542.

It is an arithmetic number, because the mean of its divisors is an integer number (1438710).

Almost surely, 225895142 is an apocalyptic number.

25895142 is an abundant number, since it is smaller than the sum of its proper divisors (43162938).

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

25895142 is a wasteful number, since it uses less digits than its factorization.

25895142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15837 (or 15834 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 25895142 is about 5088.7269527849. The cubic root of 25895142 is about 295.8508120247.

The spelling of 25895142 in words is "twenty-five million, eight hundred ninety-five thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 9 13 14 18 21 26 39 42 63 78 91 117 126 182 234 273 546 819 1638 15809 31618 47427 94854 110663 142281 205517 221326 284562 331989 411034 616551 663978 995967 1233102 1438619 1849653 1991934 2877238 3699306 4315857 8631714 12947571 25895142