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85989283 = 137627659
BaseRepresentation
bin1010010000000…
…01011110100011
312222210201010021
411020001132203
5134003124113
612311014311
72062616422
oct510013643
9188721107
1085989283
11445a2026
122496a397
1314a79543
14b5c52b9
15783848d
hex52017a3

85989283 has 4 divisors (see below), whose sum is σ = 86617080. Its totient is φ = 85361488.

The previous prime is 85989251. The next prime is 85989311. The reversal of 85989283 is 38298958.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85989283 - 25 = 85989251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85989283.

It is not an unprimeable number, because it can be changed into a prime (85989583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313693 + ... + 313966.

It is an arithmetic number, because the mean of its divisors is an integer number (21654270).

Almost surely, 285989283 is an apocalyptic number.

85989283 is a deficient number, since it is larger than the sum of its proper divisors (627797).

85989283 is a wasteful number, since it uses less digits than its factorization.

85989283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627796.

The product of its digits is 1244160, while the sum is 52.

The square root of 85989283 is about 9273.0406555779. The cubic root of 85989283 is about 441.3821602534.

The spelling of 85989283 in words is "eighty-five million, nine hundred eighty-nine thousand, two hundred eighty-three".

Divisors: 1 137 627659 85989283