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83910222 = 23311141263
BaseRepresentation
bin1010000000001…
…01111001001110
312211220002012000
411000011321032
5132440111342
612154253130
72036140134
oct500057116
9184802160
1083910222
1143401aa0
12241271a6
13144cc126
14b203754
15757744c
hex5005e4e

83910222 has 32 divisors (see below), whose sum is σ = 203420160. Its totient is φ = 25427160.

The previous prime is 83910199. The next prime is 83910223. The reversal of 83910222 is 22201938.

It is a happy number.

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 (83910223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70038 + ... + 71225.

It is an arithmetic number, because the mean of its divisors is an integer number (6356880).

Almost surely, 283910222 is an apocalyptic number.

83910222 is an abundant number, since it is smaller than the sum of its proper divisors (119509938).

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

83910222 is a wasteful number, since it uses less digits than its factorization.

83910222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141285 (or 141279 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 83910222 is about 9160.2522891021. The cubic root of 83910222 is about 437.7958327867.

The spelling of 83910222 in words is "eighty-three million, nine hundred ten thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 99 198 297 594 141263 282526 423789 847578 1271367 1553893 2542734 3107786 3814101 4661679 7628202 9323358 13985037 27970074 41955111 83910222