Base | Representation |
---|---|
bin | 10010011111011… |
… | …001010011100001 |
3 | 210121201210211200 |
4 | 102133121103201 |
5 | 1113404020001 |
6 | 50441031413 |
7 | 10454553330 |
oct | 2237312341 |
9 | 717653750 |
10 | 310220001 |
11 | 14a124973 |
12 | 87a85569 |
13 | 4c368840 |
14 | 2d2b3d17 |
15 | 1c37c086 |
hex | 127d94e1 |
310220001 has 24 divisors (see below), whose sum is σ = 551503680. Its totient is φ = 163632096.
The previous prime is 310219999. The next prime is 310220003. The reversal of 310220001 is 100022013.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (310219999) and next prime (310220003).
It is not a de Polignac number, because 310220001 - 21 = 310219999 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (310220003) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188571 + ... + 190208.
It is an arithmetic number, because the mean of its divisors is an integer number (22979320).
Almost surely, 2310220001 is an apocalyptic number.
It is an amenable number.
310220001 is a deficient number, since it is larger than the sum of its proper divisors (241283679).
310220001 is a wasteful number, since it uses less digits than its factorization.
310220001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 378805 (or 378802 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 310220001 is about 17613.0633621752. The cubic root of 310220001 is about 676.9500089269.
Adding to 310220001 its reverse (100022013), we get a palindrome (410242014).
The spelling of 310220001 in words is "three hundred ten million, two hundred twenty thousand, one".
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