Search a number
-
+
872283 = 3290761
BaseRepresentation
bin11010100111101011011
31122022112210
43110331123
5210403113
630410203
710262046
oct3247533
91568483
10872283
115463a5
12360963
13247059
14189c5d
151236c3
hexd4f5b

872283 has 4 divisors (see below), whose sum is σ = 1163048. Its totient is φ = 581520.

The previous prime is 872281. The next prime is 872317. The reversal of 872283 is 382278.

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

It is not a de Polignac number, because 872283 - 21 = 872281 is a prime.

It is a D-number.

It is a Duffinian number.

872283 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 872283.

It is not an unprimeable number, because it can be changed into a prime (872281) 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 3 ways as a sum of consecutive naturals, for example, 145378 + ... + 145383.

It is an arithmetic number, because the mean of its divisors is an integer number (290762).

2872283 is an apocalyptic number.

872283 is a deficient number, since it is larger than the sum of its proper divisors (290765).

872283 is a wasteful number, since it uses less digits than its factorization.

872283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290764.

The product of its digits is 5376, while the sum is 30.

The square root of 872283 is about 933.9609199533. The cubic root of 872283 is about 95.5474577498.

The spelling of 872283 in words is "eight hundred seventy-two thousand, two hundred eighty-three".

Divisors: 1 3 290761 872283