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22080531 = 311669107
BaseRepresentation
bin101010000111…
…0110000010011
31112112210210110
41110032300103
521123034111
62105132403
7355452504
oct124166023
945483713
1022080531
1111511480
12748a103
134761405
142d0abab
151e125a6
hex150ec13

22080531 has 8 divisors (see below), whose sum is σ = 32117184. Its totient is φ = 13382120.

The previous prime is 22080523. The next prime is 22080533. The reversal of 22080531 is 13508022.

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 22080531 - 23 = 22080523 is a prime.

It is a super-2 number, since 2×220805312 = 975099698483922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22080498 and 22080507.

It is not an unprimeable number, because it can be changed into a prime (22080533) 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 in 7 ways as a sum of consecutive naturals, for example, 334521 + ... + 334586.

It is an arithmetic number, because the mean of its divisors is an integer number (4014648).

Almost surely, 222080531 is an apocalyptic number.

22080531 is a deficient number, since it is larger than the sum of its proper divisors (10036653).

22080531 is a wasteful number, since it uses less digits than its factorization.

22080531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669121.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 22080531 is about 4698.9925516008. The cubic root of 22080531 is about 280.5454122413.

Adding to 22080531 its reverse (13508022), we get a palindrome (35588553).

The spelling of 22080531 in words is "twenty-two million, eighty thousand, five hundred thirty-one".

Divisors: 1 3 11 33 669107 2007321 7360177 22080531