[go: up one dir, main page]

Search a number
-
+
4080028 = 221020007
BaseRepresentation
bin1111100100000110011100
321200021202011
433210012130
52021030103
6223241004
746452061
oct17440634
97607664
104080028
112337427
121449164
13acb124
14782c68
15558d6d
hex3e419c

4080028 has 6 divisors (see below), whose sum is σ = 7140056. Its totient is φ = 2040012.

The previous prime is 4080007. The next prime is 4080029. The reversal of 4080028 is 8200804.

4080028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 4079990 and 4080008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4080029) by changing a digit.

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 as a sum of consecutive naturals, namely, 510000 + ... + 510007.

Almost surely, 24080028 is an apocalyptic number.

It is an amenable number.

4080028 is a deficient number, since it is larger than the sum of its proper divisors (3060028).

4080028 is a wasteful number, since it uses less digits than its factorization.

4080028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020011 (or 1020009 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 4080028 is about 2019.9079186933. The cubic root of 4080028 is about 159.7917603441.

The spelling of 4080028 in words is "four million, eighty thousand, twenty-eight".

Divisors: 1 2 4 1020007 2040014 4080028