Base | Representation |
---|---|
bin | 10010011110100… |
… | …011100110110001 |
3 | 210121022122010022 |
4 | 102132203212301 |
5 | 1113330000144 |
6 | 50432213225 |
7 | 10452646142 |
oct | 2236434661 |
9 | 717278108 |
10 | 310000049 |
11 | 149a94697 |
12 | 8799a215 |
13 | 4c2bc6a8 |
14 | 2d257ac9 |
15 | 1c336cee |
hex | 127a39b1 |
310000049 has 16 divisors (see below), whose sum is σ = 343284480. Its totient is φ = 278446080.
The previous prime is 310000037. The next prime is 310000051. The reversal of 310000049 is 940000013.
It is a cyclic number.
It is not a de Polignac number, because 310000049 - 224 = 293222833 is a prime.
It is a super-2 number, since 2×3100000492 = 192200060760004802, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 309999991 and 310000036.
It is not an unprimeable number, because it can be changed into a prime (310000099) 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, 300164 + ... + 301194.
It is an arithmetic number, because the mean of its divisors is an integer number (21455280).
Almost surely, 2310000049 is an apocalyptic number.
It is an amenable number.
310000049 is a deficient number, since it is larger than the sum of its proper divisors (33284431).
310000049 is a wasteful number, since it uses less digits than its factorization.
310000049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1840.
The product of its (nonzero) digits is 108, while the sum is 17.
The square root of 310000049 is about 17606.8182531654. The cubic root of 310000049 is about 676.7899808695.
It can be divided in two parts, 31000004 and 9, that added together give a palindrome (31000013).
The spelling of 310000049 in words is "three hundred ten million, forty-nine", and thus it is an aban number.
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