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82039983 = 349935477
BaseRepresentation
bin1001110001111…
…01010010101111
312201101001200220
410320331102233
5132000234413
612050222423
72014220424
oct470752257
9181331626
1082039983
1142344943
1223584a13
1313cc5a8c
14ac77d4b
157308223
hex4e3d4af

82039983 has 8 divisors (see below), whose sum is σ = 109428528. Its totient is φ = 54672384.

The previous prime is 82039963. The next prime is 82039987. The reversal of 82039983 is 38993028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82039983 - 224 = 65262767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82039987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12241 + ... + 17717.

It is an arithmetic number, because the mean of its divisors is an integer number (13678566).

Almost surely, 282039983 is an apocalyptic number.

82039983 is a deficient number, since it is larger than the sum of its proper divisors (27388545).

82039983 is a wasteful number, since it uses less digits than its factorization.

82039983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10473.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 82039983 is about 9057.5925609402. The cubic root of 82039983 is about 434.5187490558.

The spelling of 82039983 in words is "eighty-two million, thirty-nine thousand, nine hundred eighty-three".

Divisors: 1 3 4993 5477 14979 16431 27346661 82039983