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82119837 = 3311098101
BaseRepresentation
bin1001110010100…
…00110010011101
312201112010020110
410321100302131
5132010313322
612052040233
72015002302
oct471206235
9181463213
1082119837
1142399938
1223603079
1314023227
14ac990a9
157321c0c
hex4e50c9d

82119837 has 16 divisors (see below), whose sum is σ = 114076160. Its totient is φ = 52488000.

The previous prime is 82119833. The next prime is 82119841. The reversal of 82119837 is 73891128.

It is an interprime number because it is at equal distance from previous prime (82119833) and next prime (82119841).

It is not a de Polignac number, because 82119837 - 22 = 82119833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82119795 and 82119804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82119833) 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 15 ways as a sum of consecutive naturals, for example, 6087 + ... + 14187.

It is an arithmetic number, because the mean of its divisors is an integer number (7129760).

Almost surely, 282119837 is an apocalyptic number.

It is an amenable number.

82119837 is a deficient number, since it is larger than the sum of its proper divisors (31956323).

82119837 is a wasteful number, since it uses less digits than its factorization.

82119837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8244.

The product of its digits is 24192, while the sum is 39.

The square root of 82119837 is about 9061.9996137718. Note that the first 3 decimals coincide. The cubic root of 82119837 is about 434.6596836227.

The spelling of 82119837 in words is "eighty-two million, one hundred nineteen thousand, eight hundred thirty-seven".

Divisors: 1 3 31 93 109 327 3379 8101 10137 24303 251131 753393 883009 2649027 27373279 82119837