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83266285 = 541406177
BaseRepresentation
bin1001111011010…
…00101011101101
312210200100212111
410331220223231
5132304010120
612132404021
72030515564
oct475505355
9183610774
1083266285
1143002213
1223a76611
1314334cbb
14b0b6bdb
15749b75a
hex4f68aed

83266285 has 8 divisors (see below), whose sum is σ = 102356856. Its totient is φ = 64988160.

The previous prime is 83266283. The next prime is 83266301. The reversal of 83266285 is 58266238.

It can be written as a sum of positive squares in 4 ways, for example, as 10778089 + 72488196 = 3283^2 + 8514^2 .

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

It is not a de Polignac number, because 83266285 - 21 = 83266283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83266283) 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, 202884 + ... + 203293.

It is an arithmetic number, because the mean of its divisors is an integer number (12794607).

Almost surely, 283266285 is an apocalyptic number.

It is an amenable number.

83266285 is a deficient number, since it is larger than the sum of its proper divisors (19090571).

83266285 is a wasteful number, since it uses less digits than its factorization.

83266285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406223.

The product of its digits is 138240, while the sum is 40.

The square root of 83266285 is about 9125.0361643119. The cubic root of 83266285 is about 436.6730567084.

The spelling of 83266285 in words is "eighty-three million, two hundred sixty-six thousand, two hundred eighty-five".

Divisors: 1 5 41 205 406177 2030885 16653257 83266285