Base | Representation |
---|---|
bin | 10010011111011… |
… | …011110001111110 |
3 | 210121202022202021 |
4 | 102133123301332 |
5 | 1113404331032 |
6 | 50441150354 |
7 | 10454625025 |
oct | 2237336176 |
9 | 717668667 |
10 | 310230142 |
11 | 14a131552 |
12 | 87a8b3ba |
13 | 4c370341 |
14 | 2d2b78bc |
15 | 1c380097 |
hex | 127dbc7e |
310230142 has 16 divisors (see below), whose sum is σ = 475239600. Its totient is φ = 151839360.
The previous prime is 310230133. The next prime is 310230143. The reversal of 310230142 is 241032013.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (310230143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22984 + ... + 33892.
It is an arithmetic number, because the mean of its divisors is an integer number (29702475).
Almost surely, 2310230142 is an apocalyptic number.
310230142 is a deficient number, since it is larger than the sum of its proper divisors (165009458).
310230142 is a wasteful number, since it uses less digits than its factorization.
310230142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11211.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 310230142 is about 17613.3512427363. The cubic root of 310230142 is about 676.9573852784.
Adding to 310230142 its reverse (241032013), we get a palindrome (551262155).
The spelling of 310230142 in words is "three hundred ten million, two hundred thirty thousand, one hundred forty-two".
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