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82119095 = 5173726111
BaseRepresentation
bin1001110010100…
…00100110110111
312201112002012222
410321100212313
5132010302340
612052032555
72015000162
oct471204667
9181462188
1082119095
1142399323
122360275b
1314022aa6
14ac98ad9
1573218b5
hex4e509b7

82119095 has 16 divisors (see below), whose sum is σ = 107163648. Its totient is φ = 60157440.

The previous prime is 82119071. The next prime is 82119109. The reversal of 82119095 is 59091128.

It is not a de Polignac number, because 82119095 - 220 = 81070519 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9911 + ... + 16200.

It is an arithmetic number, because the mean of its divisors is an integer number (6697728).

Almost surely, 282119095 is an apocalyptic number.

82119095 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

82119095 is a deficient number, since it is larger than the sum of its proper divisors (25044553).

82119095 is a wasteful number, since it uses less digits than its factorization.

82119095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26170.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 82119095 is about 9061.9586734878. The cubic root of 82119095 is about 434.6583744853.

The spelling of 82119095 in words is "eighty-two million, one hundred nineteen thousand, ninety-five".

Divisors: 1 5 17 37 85 185 629 3145 26111 130555 443887 966107 2219435 4830535 16423819 82119095