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85422183 = 3711369793
BaseRepresentation
bin1010001011101…
…11000001100111
312221201220012120
411011313001213
5133332002213
612250521023
72055035160
oct505670147
9187656176
1085422183
1144244a50
1224736173
131490b392
14b4b8767
157775423
hex5177067

85422183 has 16 divisors (see below), whose sum is σ = 142000896. Its totient is φ = 44375040.

The previous prime is 85422149. The next prime is 85422187. The reversal of 85422183 is 38122458.

It is not a de Polignac number, because 85422183 - 28 = 85421927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85422187) 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, 184666 + ... + 185127.

It is an arithmetic number, because the mean of its divisors is an integer number (8875056).

Almost surely, 285422183 is an apocalyptic number.

85422183 is a deficient number, since it is larger than the sum of its proper divisors (56578713).

85422183 is a wasteful number, since it uses less digits than its factorization.

85422183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369814.

The product of its digits is 15360, while the sum is 33.

The square root of 85422183 is about 9242.4121851387. The cubic root of 85422183 is about 440.4097130676.

The spelling of 85422183 in words is "eighty-five million, four hundred twenty-two thousand, one hundred eighty-three".

Divisors: 1 3 7 11 21 33 77 231 369793 1109379 2588551 4067723 7765653 12203169 28474061 85422183