Base | Representation |
---|---|
bin | 1110111110011100… |
… | …0101010111100111 |
3 | 101101011100011121110 |
4 | 3233213011113213 |
5 | 31213110001411 |
6 | 1502522320103 |
7 | 201422303202 |
oct | 35747052747 |
9 | 11334304543 |
10 | 4020000231 |
11 | 1783204745 |
12 | 942359033 |
13 | 4c0b04c80 |
14 | 2a1c7c939 |
15 | 187dc62a6 |
hex | ef9c55e7 |
4020000231 has 16 divisors (see below), whose sum is σ = 5776817760. Its totient is φ = 2471913600.
The previous prime is 4020000169. The next prime is 4020000239. The reversal of 4020000231 is 1320000204.
It is not a de Polignac number, because 4020000231 - 26 = 4020000167 is a prime.
It is a super-2 number, since 2×40200002312 = 32320803714480106722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4020000239) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11125 + ... + 90353.
It is an arithmetic number, because the mean of its divisors is an integer number (361051110).
Almost surely, 24020000231 is an apocalyptic number.
4020000231 is a deficient number, since it is larger than the sum of its proper divisors (1756817529).
4020000231 is a wasteful number, since it uses less digits than its factorization.
4020000231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80546.
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 4020000231 is about 63403.4717582563. The cubic root of 4020000231 is about 1590.0423536046.
Adding to 4020000231 its reverse (1320000204), we get a palindrome (5340000435).
The spelling of 4020000231 in words is "four billion, twenty million, two hundred thirty-one", and thus it is an aban number.
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