Base | Representation |
---|---|
bin | 1111101001101001… |
… | …1000100101001111 |
3 | 101211210100002222201 |
4 | 3322122120211033 |
5 | 32101003023211 |
6 | 1532514422331 |
7 | 206052533032 |
oct | 37232304517 |
9 | 11753302881 |
10 | 4201220431 |
11 | 1866530101 |
12 | 992b919a7 |
13 | 51c515365 |
14 | 2bbd73019 |
15 | 198c710c1 |
hex | fa69894f |
4201220431 has 8 divisors (see below), whose sum is σ = 4304613600. Its totient is φ = 4097871360.
The previous prime is 4201220423. The next prime is 4201220531. The reversal of 4201220431 is 1340221024.
4201220431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
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 4201220431 - 23 = 4201220423 is a prime.
It is a super-3 number, since 3×42012204313 (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 4201220399 and 4201220408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4201220531) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266590 + ... + 281908.
It is an arithmetic number, because the mean of its divisors is an integer number (538076700).
Almost surely, 24201220431 is an apocalyptic number.
4201220431 is a gapful number since it is divisible by the number (41) formed by its first and last digit.
4201220431 is a deficient number, since it is larger than the sum of its proper divisors (103393169).
4201220431 is a wasteful number, since it uses less digits than its factorization.
4201220431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22049.
The product of its (nonzero) digits is 384, while the sum is 19.
The square root of 4201220431 is about 64816.8221297527. The cubic root of 4201220431 is about 1613.5849069486.
Adding to 4201220431 its reverse (1340221024), we get a palindrome (5541441455).
The spelling of 4201220431 in words is "four billion, two hundred one million, two hundred twenty thousand, four hundred thirty-one".
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