Base | Representation |
---|---|
bin | 10010101001111… |
… | …101110011100110 |
3 | 210210221120212102 |
4 | 102221331303212 |
5 | 1120111202300 |
6 | 51020252102 |
7 | 10520244026 |
oct | 2251756346 |
9 | 723846772 |
10 | 312990950 |
11 | 150747808 |
12 | 889a1032 |
13 | 4cac8b5c |
14 | 2d7d5a86 |
15 | 1c7280d5 |
hex | 12a7dce6 |
312990950 has 12 divisors (see below), whose sum is σ = 582163260. Its totient is φ = 125196360.
The previous prime is 312990949. The next prime is 312990983. The reversal of 312990950 is 59099213.
It is a congruent number.
It is an unprimeable number.
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 5 ways as a sum of consecutive naturals, for example, 3129860 + ... + 3129959.
It is an arithmetic number, because the mean of its divisors is an integer number (48513605).
Almost surely, 2312990950 is an apocalyptic number.
312990950 is a deficient number, since it is larger than the sum of its proper divisors (269172310).
312990950 is a wasteful number, since it uses less digits than its factorization.
312990950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6259831 (or 6259826 counting only the distinct ones).
The product of its (nonzero) digits is 21870, while the sum is 38.
The square root of 312990950 is about 17691.5502429832. The cubic root of 312990950 is about 678.9595897644.
The spelling of 312990950 in words is "three hundred twelve million, nine hundred ninety thousand, nine hundred fifty".
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