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83005338 = 23131956009
BaseRepresentation
bin1001111001010…
…00111110011010
312210012002220210
410330220332122
5132222132323
612123031550
72025351033
oct474507632
9183162823
1083005338
1142944159
122396b5b6
13142732b0
14b049a8a
157449293
hex4f28f9a

83005338 has 32 divisors (see below), whose sum is σ = 188193600. Its totient is φ = 24195456.

The previous prime is 83005327. The next prime is 83005381. The reversal of 83005338 is 83350038.

It is a super-2 number, since 2×830053382 = 13779772272988488, which contains 22 as substring.

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, 26523 + ... + 29486.

It is an arithmetic number, because the mean of its divisors is an integer number (5881050).

Almost surely, 283005338 is an apocalyptic number.

83005338 is an abundant number, since it is smaller than the sum of its proper divisors (105188262).

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

83005338 is a wasteful number, since it uses less digits than its factorization.

83005338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56046.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 83005338 is about 9110.7265352440. The cubic root of 83005338 is about 436.2164182435.

The spelling of 83005338 in words is "eighty-three million, five thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 13 19 26 38 39 57 78 114 247 494 741 1482 56009 112018 168027 336054 728117 1064171 1456234 2128342 2184351 3192513 4368702 6385026 13834223 27668446 41502669 83005338