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82959081 = 3832111579
BaseRepresentation
bin1001111000111…
…01101011101001
312210002202110120
410330131223221
5132214142311
612122033453
72025066132
oct474355351
9183082416
1082959081
1142912427
1223948889
131425821a
14b036c89
15743a706
hex4f1dae9

82959081 has 16 divisors (see below), whose sum is σ = 112546560. Its totient is φ = 54346320.

The previous prime is 82959061. The next prime is 82959109. The reversal of 82959081 is 18095928.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-82959081 is a prime.

It is a super-2 number, since 2×829590812 = 13764418240729122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82959001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51750 + ... + 53328.

It is an arithmetic number, because the mean of its divisors is an integer number (7034160).

Almost surely, 282959081 is an apocalyptic number.

It is an amenable number.

82959081 is a deficient number, since it is larger than the sum of its proper divisors (29587479).

82959081 is a wasteful number, since it uses less digits than its factorization.

82959081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 82959081 is about 9108.1875804136. The cubic root of 82959081 is about 436.1353720009.

The spelling of 82959081 in words is "eighty-two million, nine hundred fifty-nine thousand, eighty-one".

Divisors: 1 3 83 211 249 633 1579 4737 17513 52539 131057 333169 393171 999507 27653027 82959081