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82550151 = 3323307433
BaseRepresentation
bin1001110101110…
…01110110000111
312202022222112000
410322321312013
5132113101101
612105200343
72021443665
oct472716607
9182288460
1082550151
1142663172
12237900b3
1314144058
14ad6bc35
1573a9486
hex4eb9d87

82550151 has 32 divisors (see below), whose sum is σ = 128325120. Its totient is φ = 52348032.

The previous prime is 82550137. The next prime is 82550161. The reversal of 82550151 is 15105528.

It is not a de Polignac number, because 82550151 - 25 = 82550119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82550161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190431 + ... + 190863.

It is an arithmetic number, because the mean of its divisors is an integer number (4010160).

Almost surely, 282550151 is an apocalyptic number.

82550151 is a deficient number, since it is larger than the sum of its proper divisors (45774969).

82550151 is a wasteful number, since it uses less digits than its factorization.

82550151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 82550151 is about 9085.7113645548. The cubic root of 82550151 is about 435.4175776156.

Adding to 82550151 its reverse (15105528), we get a palindrome (97655679).

The spelling of 82550151 in words is "eighty-two million, five hundred fifty thousand, one hundred fifty-one".

Divisors: 1 3 9 23 27 69 207 307 433 621 921 1299 2763 3897 7061 8289 9959 11691 21183 29877 63549 89631 132931 190647 268893 398793 1196379 3057413 3589137 9172239 27516717 82550151