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85387122 = 234527081
BaseRepresentation
bin1010001011011…
…10011101110010
312221200010010000
411011232131302
5133324341442
612250050430
72054531022
oct505563562
9187603100
1085387122
1144220677
1224719a16
13148c8432
14b4a9a82
157769d4c
hex516e772

85387122 has 20 divisors (see below), whose sum is σ = 191330766. Its totient is φ = 28462320.

The previous prime is 85387097. The next prime is 85387147. The reversal of 85387122 is 22178358.

It is an interprime number because it is at equal distance from previous prime (85387097) and next prime (85387147).

It can be written as a sum of positive squares in only one way, i.e., 82791801 + 2595321 = 9099^2 + 1611^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 263379 + ... + 263702.

Almost surely, 285387122 is an apocalyptic number.

85387122 is an abundant number, since it is smaller than the sum of its proper divisors (105943644).

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

85387122 is a wasteful number, since it uses less digits than its factorization.

85387122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527095 (or 527086 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 85387122 is about 9240.5152453746. The cubic root of 85387122 is about 440.3494503526.

The spelling of 85387122 in words is "eighty-five million, three hundred eighty-seven thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 527081 1054162 1581243 3162486 4743729 9487458 14231187 28462374 42693561 85387122