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83522538 = 23211421831
BaseRepresentation
bin1001111101001…
…11001111101010
312211011101101100
410332213033222
5132340210123
612142102230
72032633641
oct476471752
9184141340
1083522538
11431677a0
1223b7a976
13143c4828
14b142358
1574ec643
hex4fa73ea

83522538 has 24 divisors (see below), whose sum is σ = 197417376. Its totient is φ = 25309800.

The previous prime is 83522521. The next prime is 83522557.

83522538 is a `hidden beast` number, since 83 + 522 + 53 + 8 = 666.

83522538 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×835225382 = 13952028707922888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210718 + ... + 211113.

It is an arithmetic number, because the mean of its divisors is an integer number (8225724).

Almost surely, 283522538 is an apocalyptic number.

83522538 is an abundant number, since it is smaller than the sum of its proper divisors (113894838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83522538 is a wasteful number, since it uses less digits than its factorization.

83522538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421850 (or 421847 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 83522538 is about 9139.0665825346. The cubic root of 83522538 is about 437.1205535022.

The spelling of 83522538 in words is "eighty-three million, five hundred twenty-two thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 421831 843662 1265493 2530986 3796479 4640141 7592958 9280282 13920423 27840846 41761269 83522538