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83085342 = 23157193457
BaseRepresentation
bin1001111001111…
…00100000011110
312210100011122220
410330330200132
5132232212332
612124450210
72026133214
oct474744036
9183304586
1083085342
114299927a
12239a9966
13142a0832
14b06acb4
157462d2c
hex4f3c81e

83085342 has 32 divisors (see below), whose sum is σ = 168463392. Its totient is φ = 27316224.

The previous prime is 83085337. The next prime is 83085367. The reversal of 83085342 is 24358038.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181578 + ... + 182034.

It is an arithmetic number, because the mean of its divisors is an integer number (5264481).

Almost surely, 283085342 is an apocalyptic number.

83085342 is an abundant number, since it is smaller than the sum of its proper divisors (85378050).

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

83085342 is a wasteful number, since it uses less digits than its factorization.

83085342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 83085342 is about 9115.1161265230. The cubic root of 83085342 is about 436.3565210882.

The spelling of 83085342 in words is "eighty-three million, eighty-five thousand, three hundred forty-two".

Divisors: 1 2 3 6 157 193 314 386 457 471 579 914 942 1158 1371 2742 30301 60602 71749 88201 90903 143498 176402 181806 215247 264603 430494 529206 13847557 27695114 41542671 83085342