Search a number
-
+
8080031 = 24173343
BaseRepresentation
bin11110110100101010011111
3120012111201102
4132310222133
54032030111
6445103315
7125451641
oct36645237
916174642
108080031
114619713
122857b3b
13189b9ab
141104891
15a9913b
hex7b4a9f

8080031 has 4 divisors (see below), whose sum is σ = 8085792. Its totient is φ = 8074272.

The previous prime is 8080027. The next prime is 8080063. The reversal of 8080031 is 1300808.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8080031 - 22 = 8080027 is a prime.

It is a super-2 number, since 2×80800312 = 130573801921922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8079985 and 8080012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8080081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 746 + ... + 4088.

It is an arithmetic number, because the mean of its divisors is an integer number (2021448).

Almost surely, 28080031 is an apocalyptic number.

8080031 is a deficient number, since it is larger than the sum of its proper divisors (5761).

8080031 is a wasteful number, since it uses less digits than its factorization.

8080031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5760.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 8080031 is about 2842.5395335861. The cubic root of 8080031 is about 200.6647133334.

Adding to 8080031 its reverse (1300808), we get a palindrome (9380839).

The spelling of 8080031 in words is "eight million, eighty thousand, thirty-one".

Divisors: 1 2417 3343 8080031