Base | Representation |
---|---|
bin | 10011000010011… |
… | …010110000010100 |
3 | 211021000020202221 |
4 | 103002122300110 |
5 | 1123231312410 |
6 | 51405512124 |
7 | 10625602123 |
oct | 2302326024 |
9 | 737006687 |
10 | 319400980 |
11 | 154325758 |
12 | 8ab72644 |
13 | 51231682 |
14 | 305c3aba |
15 | 1d0924da |
hex | 1309ac14 |
319400980 has 12 divisors (see below), whose sum is σ = 670742100. Its totient is φ = 127760384.
The previous prime is 319400969. The next prime is 319401007. The reversal of 319400980 is 89004913.
It can be written as a sum of positive squares in 2 ways, for example, as 148157584 + 171243396 = 12172^2 + 13086^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7985005 + ... + 7985044.
It is an arithmetic number, because the mean of its divisors is an integer number (55895175).
Almost surely, 2319400980 is an apocalyptic number.
It is an amenable number.
319400980 is an abundant number, since it is smaller than the sum of its proper divisors (351341120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
319400980 is a wasteful number, since it uses less digits than its factorization.
319400980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15970058 (or 15970056 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 34.
The square root of 319400980 is about 17871.7928591398. The cubic root of 319400980 is about 683.5633163352.
The spelling of 319400980 in words is "three hundred nineteen million, four hundred thousand, nine hundred eighty".
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