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82992672 = 2532725881
BaseRepresentation
bin1001111001001…
…01111000100000
312210011110112200
410330211320200
5132221231142
612122453200
72025266100
oct474457040
9183143480
1082992672
1142935694
1223964200
131426a5b9
14b045200
15744564c
hex4f25e20

82992672 has 108 divisors (see below), whose sum is σ = 274589406. Its totient is φ = 23708160.

The previous prime is 82992661. The next prime is 82992713. The reversal of 82992672 is 27629928.

It can be written as a sum of positive squares in only one way, i.e., 58430736 + 24561936 = 7644^2 + 4956^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11172 + ... + 17052.

Almost surely, 282992672 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 82992672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137294703).

82992672 is an abundant number, since it is smaller than the sum of its proper divisors (191596734).

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

82992672 is a wasteful number, since it uses less digits than its factorization.

82992672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5911 (or 5893 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 82992672 is about 9110.0313940184. The cubic root of 82992672 is about 436.1942293163.

The spelling of 82992672 in words is "eighty-two million, nine hundred ninety-two thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 63 72 84 96 98 112 126 144 147 168 196 224 252 288 294 336 392 441 504 588 672 784 882 1008 1176 1568 1764 2016 2352 3528 4704 5881 7056 11762 14112 17643 23524 35286 41167 47048 52929 70572 82334 94096 105858 123501 141144 164668 188192 211716 247002 282288 288169 329336 370503 423432 494004 564576 576338 658672 741006 846864 864507 988008 1152676 1317344 1482012 1693728 1729014 1976016 2305352 2593521 2964024 3458028 3952032 4610704 5187042 5928048 6916056 9221408 10374084 11856096 13832112 20748168 27664224 41496336 82992672