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82820095 = 5132112539
BaseRepresentation
bin1001110111110…
…11101111111111
312202211200210221
410323323233333
5132200220340
612115042211
72023650001
oct473735777
9182750727
1082820095
1142827a66
12238a0367
1314209b97
14addc371
15740e44a
hex4efbbff

82820095 has 8 divisors (see below), whose sum is σ = 99467280. Its totient is φ = 66200640.

The previous prime is 82820093. The next prime is 82820099. The reversal of 82820095 is 59002828.

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

It is not a de Polignac number, because 82820095 - 21 = 82820093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82820095.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82820093) 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, 336 + ... + 12874.

It is an arithmetic number, because the mean of its divisors is an integer number (12433410).

Almost surely, 282820095 is an apocalyptic number.

82820095 is a deficient number, since it is larger than the sum of its proper divisors (16647185).

82820095 is a wasteful number, since it uses less digits than its factorization.

82820095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13865.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 82820095 is about 9100.5546534264. The cubic root of 82820095 is about 435.8916751761.

The spelling of 82820095 in words is "eighty-two million, eight hundred twenty thousand, ninety-five".

Divisors: 1 5 1321 6605 12539 62695 16564019 82820095