Search a number
-
+
872672943 = 3290890981
BaseRepresentation
bin110100000000111…
…110111010101111
32020211002101020010
4310000332322233
53241401013233
6222332224303
730424411662
oct6400767257
92224071203
10872672943
1140866810a
1220430b093
1310ba4922c
1483c856d9
155192eb63
hex3403eeaf

872672943 has 4 divisors (see below), whose sum is σ = 1163563928. Its totient is φ = 581781960.

The previous prime is 872672929. The next prime is 872673023. The reversal of 872672943 is 349276278.

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

It is not a de Polignac number, because 872672943 - 212 = 872668847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 872672892 and 872672901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872672243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145445488 + ... + 145445493.

It is an arithmetic number, because the mean of its divisors is an integer number (290890982).

Almost surely, 2872672943 is an apocalyptic number.

872672943 is a deficient number, since it is larger than the sum of its proper divisors (290890985).

872672943 is a wasteful number, since it uses less digits than its factorization.

872672943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290890984.

The product of its digits is 1016064, while the sum is 48.

The square root of 872672943 is about 29541.0382857475. The cubic root of 872672943 is about 955.6169338651.

The spelling of 872672943 in words is "eight hundred seventy-two million, six hundred seventy-two thousand, nine hundred forty-three".

Divisors: 1 3 290890981 872672943