Base | Representation |
---|---|
bin | 11001001001111… |
… | …001011010110001 |
3 | 1002102010002022011 |
4 | 121021321122301 |
5 | 1331014244011 |
6 | 105513242521 |
7 | 13313103145 |
oct | 3111713261 |
9 | 1072102264 |
10 | 422024881 |
11 | 1a72495a3 |
12 | b9403441 |
13 | 69583585 |
14 | 40099225 |
15 | 270b4621 |
hex | 192796b1 |
422024881 has 4 divisors (see below), whose sum is σ = 446849892. Its totient is φ = 397199872.
The previous prime is 422024879. The next prime is 422024921. The reversal of 422024881 is 188420224.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 269255281 + 152769600 = 16409^2 + 12360^2 .
It is a cyclic number.
It is not a de Polignac number, because 422024881 - 21 = 422024879 is a prime.
It is a super-2 number, since 2×4220248812 = 356210000366128322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (422024381) 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, 12412480 + ... + 12412513.
It is an arithmetic number, because the mean of its divisors is an integer number (111712473).
Almost surely, 2422024881 is an apocalyptic number.
It is an amenable number.
422024881 is a deficient number, since it is larger than the sum of its proper divisors (24825011).
422024881 is a wasteful number, since it uses less digits than its factorization.
422024881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24825010.
The product of its (nonzero) digits is 8192, while the sum is 31.
The square root of 422024881 is about 20543.2441693127. The cubic root of 422024881 is about 750.0888078542.
The spelling of 422024881 in words is "four hundred twenty-two million, twenty-four thousand, eight hundred eighty-one".
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