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83285855 = 5118714033
BaseRepresentation
bin1001111011011…
…01011101011111
312210201100201022
410331231131133
5132310121410
612133034355
72030626622
oct475553537
9183640638
1083285855
1143015994
1223a859bb
1314340b93
14b0bddb9
1574a2455
hex4f6d75f

83285855 has 8 divisors (see below), whose sum is σ = 100034352. Its totient is φ = 66567808.

The previous prime is 83285827. The next prime is 83285893. The reversal of 83285855 is 55858238.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 83285855 - 214 = 83269471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1082 + ... + 12951.

It is an arithmetic number, because the mean of its divisors is an integer number (12504294).

Almost surely, 283285855 is an apocalyptic number.

83285855 is a deficient number, since it is larger than the sum of its proper divisors (16748497).

83285855 is a wasteful number, since it uses less digits than its factorization.

83285855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15225.

The product of its digits is 384000, while the sum is 44.

The square root of 83285855 is about 9126.1084258297. The cubic root of 83285855 is about 436.7072643204.

The spelling of 83285855 in words is "eighty-three million, two hundred eighty-five thousand, eight hundred fifty-five".

Divisors: 1 5 1187 5935 14033 70165 16657171 83285855