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82825944 = 23323227661
BaseRepresentation
bin1001110111111…
…01001011011000
312202211222211120
410323331023120
5132200412234
612115125240
72024003025
oct473751330
9182758746
1082825944
11428313a3
12238a3820
131420c746
14b00054c
157411049
hex4efd2d8

82825944 has 64 divisors (see below), whose sum is σ = 217347840. Its totient is φ = 26252160.

The previous prime is 82825927. The next prime is 82825957. The reversal of 82825944 is 44952828.

It is a super-2 number, since 2×828259442 = 13720273998982272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82825896 and 82825905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124974 + ... + 125634.

It is an arithmetic number, because the mean of its divisors is an integer number (3396060).

Almost surely, 282825944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82825944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108673920).

82825944 is an abundant number, since it is smaller than the sum of its proper divisors (134521896).

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

82825944 is a wasteful number, since it uses less digits than its factorization.

82825944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920 (or 916 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 82825944 is about 9100.8760017924. The cubic root of 82825944 is about 435.9019362542.

The spelling of 82825944 in words is "eighty-two million, eight hundred twenty-five thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 227 276 454 552 661 681 908 1322 1362 1816 1983 2644 2724 3966 5221 5288 5448 7932 10442 15203 15663 15864 20884 30406 31326 41768 45609 60812 62652 91218 121624 125304 150047 182436 300094 364872 450141 600188 900282 1200376 1800564 3451081 3601128 6902162 10353243 13804324 20706486 27608648 41412972 82825944