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82083097 = 192227377
BaseRepresentation
bin1001110010001…
…11110100011001
312201110020211201
410321013310121
5132003124342
612051154201
72014460215
oct471076431
9181406751
1082083097
1142374278
12235a5961
131400c5a5
14ac89945
157315db7
hex4e47d19

82083097 has 6 divisors (see below), whose sum is σ = 86631018. Its totient is φ = 77762592.

The previous prime is 82083091. The next prime is 82083109. The reversal of 82083097 is 79038028.

It can be written as a sum of positive squares in only one way, i.e., 67059721 + 15023376 = 8189^2 + 3876^2 .

It is not a de Polignac number, because 82083097 - 27 = 82082969 is a prime.

It is a super-2 number, since 2×820830972 = 13475269626222818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82083091) 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, 113328 + ... + 114049.

It is an arithmetic number, because the mean of its divisors is an integer number (14438503).

Almost surely, 282083097 is an apocalyptic number.

It is an amenable number.

82083097 is a deficient number, since it is larger than the sum of its proper divisors (4547921).

82083097 is a wasteful number, since it uses less digits than its factorization.

82083097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227415 (or 227396 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 82083097 is about 9059.9722405756. The cubic root of 82083097 is about 434.5948524382.

The spelling of 82083097 in words is "eighty-two million, eighty-three thousand, ninety-seven".

Divisors: 1 19 361 227377 4320163 82083097