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7080431 = 31376173
BaseRepresentation
bin11011000000100111101111
3111022201112012
4123000213233
53303033211
6411431435
7114116441
oct33004757
914281465
107080431
113aa66a6
12245557b
13160ba07
14d24491
1594cd8b
hex6c09ef

7080431 has 8 divisors (see below), whose sum is σ = 7507584. Its totient is φ = 6665760.

The previous prime is 7080401. The next prime is 7080433. The reversal of 7080431 is 1340807.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7080431 - 222 = 2886127 is a prime.

It is a super-2 number, since 2×70804312 = 100265006291522, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 7080397 and 7080406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7080433) 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 7 ways as a sum of consecutive naturals, for example, 1940 + ... + 4233.

It is an arithmetic number, because the mean of its divisors is an integer number (938448).

Almost surely, 27080431 is an apocalyptic number.

7080431 is a deficient number, since it is larger than the sum of its proper divisors (427153).

7080431 is a wasteful number, since it uses less digits than its factorization.

7080431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6241.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 7080431 is about 2660.9079277570. The cubic root of 7080431 is about 192.0229916767.

The spelling of 7080431 in words is "seven million, eighty thousand, four hundred thirty-one".

Divisors: 1 31 37 1147 6173 191363 228401 7080431