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82629145 = 5411073767
BaseRepresentation
bin1001110110011…
…01001000011001
312202110222212201
410323031020121
5132123113040
612111010201
72022223204
oct473151031
9182428781
1082629145
1142707555
1223809961
1314170cb1
14ad8c93b
1573c2a9a
hex4ecd219

82629145 has 16 divisors (see below), whose sum is σ = 102549888. Its totient is φ = 63871360.

The previous prime is 82629097. The next prime is 82629191. The reversal of 82629145 is 54192628.

It is not a de Polignac number, because 82629145 - 29 = 82628633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 20052 + ... + 23818.

It is an arithmetic number, because the mean of its divisors is an integer number (6409368).

Almost surely, 282629145 is an apocalyptic number.

It is an amenable number.

82629145 is a deficient number, since it is larger than the sum of its proper divisors (19920743).

82629145 is a wasteful number, since it uses less digits than its factorization.

82629145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3920.

The product of its digits is 34560, while the sum is 37.

The square root of 82629145 is about 9090.0574805663. The cubic root of 82629145 is about 435.5564201266.

The spelling of 82629145 in words is "eighty-two million, six hundred twenty-nine thousand, one hundred forty-five".

Divisors: 1 5 41 107 205 535 3767 4387 18835 21935 154447 403069 772235 2015345 16525829 82629145