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82182923 = 194325417
BaseRepresentation
bin1001110011000…
…00001100001011
312201122022202222
410321200030023
5132014323143
612053244255
72015354234
oct471401413
9181568688
1082182923
1142432279
122363368b
1314045b64
14acb408b
157335768
hex4e6030b

82182923 has 4 divisors (see below), whose sum is σ = 86508360. Its totient is φ = 77857488.

The previous prime is 82182911. The next prime is 82182941. The reversal of 82182923 is 32928128.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82182923 - 224 = 65405707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82182943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2162690 + ... + 2162727.

It is an arithmetic number, because the mean of its divisors is an integer number (21627090).

Almost surely, 282182923 is an apocalyptic number.

82182923 is a deficient number, since it is larger than the sum of its proper divisors (4325437).

82182923 is a wasteful number, since it uses less digits than its factorization.

82182923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325436.

The product of its digits is 13824, while the sum is 35.

The square root of 82182923 is about 9065.4797446136. The cubic root of 82182923 is about 434.7709597083.

The spelling of 82182923 in words is "eighty-two million, one hundred eighty-two thousand, nine hundred twenty-three".

Divisors: 1 19 4325417 82182923