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82756341 = 3211381373
BaseRepresentation
bin1001110111011…
…00001011110101
312202201110100200
410323230023311
5132141200331
612113431113
72023263063
oct473541365
9182643320
1082756341
1142794078
122386b499
13141b6b65
14adc3033
1573ea5e6
hex4eec2f5

82756341 has 12 divisors (see below), whose sum is σ = 120596268. Its totient is φ = 54681984.

The previous prime is 82756319. The next prime is 82756361. The reversal of 82756341 is 14365728.

It can be written as a sum of positive squares in 2 ways, for example, as 34398225 + 48358116 = 5865^2 + 6954^2 .

It is not a de Polignac number, because 82756341 - 211 = 82754293 is a prime.

It is a super-2 number, since 2×827563412 = 13697223951416562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82756296 and 82756305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82756301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39670 + ... + 41703.

It is an arithmetic number, because the mean of its divisors is an integer number (10049689).

Almost surely, 282756341 is an apocalyptic number.

It is an amenable number.

82756341 is a deficient number, since it is larger than the sum of its proper divisors (37839927).

82756341 is a wasteful number, since it uses less digits than its factorization.

82756341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81492 (or 81489 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 82756341 is about 9097.0512255346. The cubic root of 82756341 is about 435.7797982551.

The spelling of 82756341 in words is "eighty-two million, seven hundred fifty-six thousand, three hundred forty-one".

Divisors: 1 3 9 113 339 1017 81373 244119 732357 9195149 27585447 82756341