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82144338 = 2313690723
BaseRepresentation
bin1001110010101…
…10110001010010
312201120100211220
410321112301102
5132012104323
612052345510
72015133603
oct471266122
9181510756
1082144338
1142406291
1223615296
1314031423
14aca3daa
1573290e3
hex4e56c52

82144338 has 8 divisors (see below), whose sum is σ = 164288688. Its totient is φ = 27381444.

The previous prime is 82144313. The next prime is 82144367. The reversal of 82144338 is 83344128.

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

82144338 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 82144299 and 82144308.

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 3 ways as a sum of consecutive naturals, for example, 6845356 + ... + 6845367.

It is an arithmetic number, because the mean of its divisors is an integer number (20536086).

Almost surely, 282144338 is an apocalyptic number.

82144338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82144338 is a wasteful number, since it uses less digits than its factorization.

82144338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13690728.

The product of its digits is 18432, while the sum is 33.

The square root of 82144338 is about 9063.3513669062. The cubic root of 82144338 is about 434.7029071943.

The spelling of 82144338 in words is "eighty-two million, one hundred forty-four thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 13690723 27381446 41072169 82144338