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83320854 = 2313886809
BaseRepresentation
bin1001111011101…
…10000000010110
312210210010201120
410331312000112
5132312231404
612133504410
72031133641
oct475660026
9183703646
1083320854
114303a211
1223aa2106
1314353aa6
14b0cca58
1574ac9d9
hex4f76016

83320854 has 8 divisors (see below), whose sum is σ = 166641720. Its totient is φ = 27773616.

The previous prime is 83320849. The next prime is 83320879. The reversal of 83320854 is 45802338.

It is a sphenic number, since it is the product of 3 distinct primes.

83320854 is an admirable number.

It is a super-2 number, since 2×833208542 = 13884729422578632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6943399 + ... + 6943410.

It is an arithmetic number, because the mean of its divisors is an integer number (20830215).

Almost surely, 283320854 is an apocalyptic number.

83320854 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

83320854 is a wasteful number, since it uses less digits than its factorization.

83320854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13886814.

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

The square root of 83320854 is about 9128.0257449243. The cubic root of 83320854 is about 436.7684278761.

The spelling of 83320854 in words is "eighty-three million, three hundred twenty thousand, eight hundred fifty-four".

Divisors: 1 2 3 6 13886809 27773618 41660427 83320854