Base | Representation |
---|---|
bin | 1110111010001010… |
… | …0111100010000111 |
3 | 101022220120022120201 |
4 | 3232202213202013 |
5 | 31144011132411 |
6 | 1501041511331 |
7 | 201113611522 |
oct | 35642474207 |
9 | 11286508521 |
10 | 4002052231 |
11 | 1774066091 |
12 | 938342547 |
13 | 4ba18c858 |
14 | 29d729bb9 |
15 | 18652d3c1 |
hex | ee8a7887 |
4002052231 has 8 divisors (see below), whose sum is σ = 4098254400. Its totient is φ = 3906988800.
The previous prime is 4002052177. The next prime is 4002052247. The reversal of 4002052231 is 1322502004.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-4002052231 is a prime.
It is a super-2 number, since 2×40020522312 = 32032844119304154722, 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 = 4002052199 and 4002052208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4002052261) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277570 + ... + 291631.
It is an arithmetic number, because the mean of its divisors is an integer number (512281800).
Almost surely, 24002052231 is an apocalyptic number.
4002052231 is a deficient number, since it is larger than the sum of its proper divisors (96202169).
4002052231 is an equidigital number, since it uses as much as digits as its factorization.
4002052231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 569369.
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 4002052231 is about 63261.7754335112. The cubic root of 4002052231 is about 1587.6724816911.
Adding to 4002052231 its reverse (1322502004), we get a palindrome (5324554235).
The spelling of 4002052231 in words is "four billion, two million, fifty-two thousand, two hundred thirty-one".
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