Base | Representation |
---|---|
bin | 10010111001010… |
… | …011100011011110 |
3 | 211002111212222020 |
4 | 102321103203132 |
5 | 1122123342230 |
6 | 51242401010 |
7 | 10566362535 |
oct | 2271234336 |
9 | 732455866 |
10 | 317012190 |
11 | 152a43a50 |
12 | 8a200166 |
13 | 508a62a1 |
14 | 3016131c |
15 | 1cc6e810 |
hex | 12e538de |
317012190 has 32 divisors (see below), whose sum is σ = 829996416. Its totient is φ = 76851360.
The previous prime is 317012183. The next prime is 317012237. The reversal of 317012190 is 91210713.
It is a super-2 number, since 2×3170121902 = 200993457217192200, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 317012190.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479992 + ... + 480651.
It is an arithmetic number, because the mean of its divisors is an integer number (25937388).
Almost surely, 2317012190 is an apocalyptic number.
317012190 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
317012190 is an abundant number, since it is smaller than the sum of its proper divisors (512984226).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
317012190 is a wasteful number, since it uses less digits than its factorization.
317012190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 960664.
The product of its (nonzero) digits is 378, while the sum is 24.
The square root of 317012190 is about 17804.8361407793. The cubic root of 317012190 is about 681.8549339866.
The spelling of 317012190 in words is "three hundred seventeen million, twelve thousand, one hundred ninety".
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