Search a number
-
+
872363 = 1276869
BaseRepresentation
bin11010100111110101011
31122022122202
43110332223
5210403423
630410415
710262222
oct3247653
91568582
10872363
11546468
12360a0b
132470bb
14189cb9
15123728
hexd4fab

872363 has 4 divisors (see below), whose sum is σ = 879360. Its totient is φ = 865368.

The previous prime is 872353. The next prime is 872369. The reversal of 872363 is 363278.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 363278 = 2181639.

It is a cyclic number.

It is not a de Polignac number, because 872363 - 28 = 872107 is a prime.

It is a super-2 number, since 2×8723632 = 1522034407538, which contains 22 as substring.

It is a d-powerful number, because it can be written as 8 + 77 + 33 + 211 + 66 + 34 .

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (872369) 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, 3308 + ... + 3561.

It is an arithmetic number, because the mean of its divisors is an integer number (219840).

2872363 is an apocalyptic number.

872363 is a deficient number, since it is larger than the sum of its proper divisors (6997).

872363 is a wasteful number, since it uses less digits than its factorization.

872363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6996.

The product of its digits is 6048, while the sum is 29.

The square root of 872363 is about 934.0037473158. The cubic root of 872363 is about 95.5503786531.

The spelling of 872363 in words is "eight hundred seventy-two thousand, three hundred sixty-three".

Divisors: 1 127 6869 872363