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82899617 = 103180407
BaseRepresentation
bin1001111000011…
…11001010100001
312202222201220012
410330033022201
5132210241432
612120454305
72024430563
oct474171241
9182881805
1082899617
1142881789
122391a395
1314237138
14b01d333
157427cb2
hex4f0f2a1

82899617 has 4 divisors (see below), whose sum is σ = 82981056. Its totient is φ = 82818180.

The previous prime is 82899589. The next prime is 82899637. The reversal of 82899617 is 71699828.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82899617 - 210 = 82898593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82899637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39173 + ... + 41234.

It is an arithmetic number, because the mean of its divisors is an integer number (20745264).

Almost surely, 282899617 is an apocalyptic number.

It is an amenable number.

82899617 is a deficient number, since it is larger than the sum of its proper divisors (81439).

82899617 is a wasteful number, since it uses less digits than its factorization.

82899617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81438.

The product of its digits is 435456, while the sum is 50.

The square root of 82899617 is about 9104.9226795179. The cubic root of 82899617 is about 436.0311416889.

The spelling of 82899617 in words is "eighty-two million, eight hundred ninety-nine thousand, six hundred seventeen".

Divisors: 1 1031 80407 82899617