Search a number
83000000 = 265683
BaseRepresentation
bin1001111001001…
…11101011000000
312210011211121002
410330213223000
5132222000000
612122551132
72025326336
oct474475300
9183154532
1083000000
1142940146
12239684a8
1314270a35
14b047b56
1574478d5
hex4f27ac0

83000000 has 98 divisors (see below), whose sum is σ = 208356708. Its totient is φ = 32800000.

The previous prime is 82999997. The next prime is 83000009. The reversal of 83000000 is 38.

Adding to 83000000 its reverse (38), we get a palindrome (83000038).

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (83000009) by changing a digit.

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 13 ways as a sum of consecutive naturals, for example, 999959 + ... + 1000041.

Almost surely, 283000000 is an apocalyptic number.

83000000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104178354).

83000000 is an abundant number, since it is smaller than the sum of its proper divisors (125356708).

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

83000000 is an frugal number, since it uses more digits than its factorization.

83000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 83000000 is about 9110.4335791443. The cubic root of 83000000 is about 436.2070671455.

The spelling of 83000000 in words is "eighty-three million", and thus it is an aban number and an uban number.