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82037331 = 329115259
BaseRepresentation
bin1001110001111…
…00101001010011
312201100221001200
410320330221103
5132000143311
612050202243
72014206615
oct470745123
9181327050
1082037331
1142342952
1223583383
1313cc47cc
14ac76db5
157307556
hex4e3ca53

82037331 has 6 divisors (see below), whose sum is σ = 118498380. Its totient is φ = 54691548.

The previous prime is 82037299. The next prime is 82037339. The reversal of 82037331 is 13373028.

It is not a de Polignac number, because 82037331 - 25 = 82037299 is a prime.

It is a super-2 number, since 2×820373312 = 13460247355207122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82037295 and 82037304.

It is not an unprimeable number, because it can be changed into a prime (82037339) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4557621 + ... + 4557638.

It is an arithmetic number, because the mean of its divisors is an integer number (19749730).

Almost surely, 282037331 is an apocalyptic number.

82037331 is a deficient number, since it is larger than the sum of its proper divisors (36461049).

82037331 is a wasteful number, since it uses less digits than its factorization.

82037331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9115265 (or 9115262 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 82037331 is about 9057.4461632405. The cubic root of 82037331 is about 434.5140669642.

The spelling of 82037331 in words is "eighty-two million, thirty-seven thousand, three hundred thirty-one".

Divisors: 1 3 9 9115259 27345777 82037331