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830052 = 223223057
BaseRepresentation
bin11001010101001100100
31120011121200
43022221210
5203030202
625442500
710024656
oct3125144
91504550
10830052
115176a3
12340430
13230a72
141786d6
15115e1c
hexcaa64

830052 has 18 divisors (see below), whose sum is σ = 2098278. Its totient is φ = 276672.

The previous prime is 830051. The next prime is 830099. The reversal of 830052 is 250038.

It can be written as a sum of positive squares in only one way, i.e., 820836 + 9216 = 906^2 + 96^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 830052.

It is not an unprimeable number, because it can be changed into a prime (830051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11493 + ... + 11564.

It is an arithmetic number, because the mean of its divisors is an integer number (116571).

2830052 is an apocalyptic number.

It is an amenable number.

830052 is an abundant number, since it is smaller than the sum of its proper divisors (1268226).

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

830052 is a wasteful number, since it uses less digits than its factorization.

830052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23067 (or 23062 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 830052 is about 911.0718961750. The cubic root of 830052 is about 93.9799263006.

The spelling of 830052 in words is "eight hundred thirty thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 23057 46114 69171 92228 138342 207513 276684 415026 830052