Search a number
-
+
833420 = 22575953
BaseRepresentation
bin11001011011110001100
31120100020102
43023132030
5203132140
625510232
710040540
oct3133614
91510212
10833420
1151a185
12342378
13232463
14179a20
15116e15
hexcb78c

833420 has 24 divisors (see below), whose sum is σ = 2000544. Its totient is φ = 285696.

The previous prime is 833389. The next prime is 833429. The reversal of 833420 is 24338.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 833392 and 833401.

It is not an unprimeable number, because it can be changed into a prime (833429) by changing a digit.

833420 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 2837 + ... + 3116.

It is an arithmetic number, because the mean of its divisors is an integer number (83356).

2833420 is an apocalyptic number.

It is an amenable number.

833420 is an abundant number, since it is smaller than the sum of its proper divisors (1167124).

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

833420 is a wasteful number, since it uses less digits than its factorization.

833420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5969 (or 5967 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 833420 is about 912.9183972295. The cubic root of 833420 is about 94.1068650333.

Adding to 833420 its reverse (24338), we get a palindrome (857758).

The spelling of 833420 in words is "eight hundred thirty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 5953 11906 23812 29765 41671 59530 83342 119060 166684 208355 416710 833420