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84330 = 2325937
BaseRepresentation
bin10100100101101010
311021200100
4110211222
510144310
61450230
7500601
oct244552
9137610
1084330
11583a4
1240976
132c4cc
1422a38
1519ec0
hex1496a

84330 has 24 divisors (see below), whose sum is σ = 219492. Its totient is φ = 22464.

The previous prime is 84319. The next prime is 84347. The reversal of 84330 is 3348.

It can be written as a sum of positive squares in 2 ways, for example, as 74529 + 9801 = 273^2 + 99^2 .

It is a super-2 number, since 2×843302 = 14223097800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 10.

It is an unprimeable number.

84330 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 379 + ... + 558.

284330 is an apocalyptic number.

84330 is an abundant number, since it is smaller than the sum of its proper divisors (135162).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109746).

84330 is a wasteful number, since it uses less digits than its factorization.

84330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950 (or 947 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 84330 is about 290.3962809679. The cubic root of 84330 is about 43.8524673059.

Adding to 84330 its sum of digits (18), we get a palindrome (84348).

Adding to 84330 its reverse (3348), we get a palindrome (87678).

It can be divided in two parts, 84 and 330, that added together give a palindrome (414).

The spelling of 84330 in words is "eighty-four thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 937 1874 2811 4685 5622 8433 9370 14055 16866 28110 42165 84330