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82495872 = 2732193769
BaseRepresentation
bin1001110101011…
…00100110000000
312202020020001200
410322230212000
5132104331442
612104101200
72021126514
oct472544600
9182206050
1082495872
1142626408
1223764800
1314125434
14ad56144
15739834c
hex4eac980

82495872 has 96 divisors (see below), whose sum is σ = 249951000. Its totient is φ = 26044416.

The previous prime is 82495859. The next prime is 82495921. The reversal of 82495872 is 27859428.

82495872 is a `hidden beast` number, since 82 + 495 + 87 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 20004 + ... + 23772.

Almost surely, 282495872 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 82495872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124975500).

82495872 is an abundant number, since it is smaller than the sum of its proper divisors (167455128).

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

82495872 is a wasteful number, since it uses less digits than its factorization.

82495872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3808 (or 3793 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 82495872 is about 9082.7238205287. The cubic root of 82495872 is about 435.3221236711.

The spelling of 82495872 in words is "eighty-two million, four hundred ninety-five thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 64 72 76 96 114 128 144 152 171 192 228 288 304 342 384 456 576 608 684 912 1152 1216 1368 1824 2432 2736 3648 3769 5472 7296 7538 10944 11307 15076 21888 22614 30152 33921 45228 60304 67842 71611 90456 120608 135684 143222 180912 214833 241216 271368 286444 361824 429666 482432 542736 572888 644499 723648 859332 1085472 1145776 1288998 1447296 1718664 2170944 2291552 2577996 3437328 4341888 4583104 5155992 6874656 9166208 10311984 13749312 20623968 27498624 41247936 82495872