Base | Representation |
---|---|
bin | 10010110101101… |
… | …011011011101101 |
3 | 211000201120202120 |
4 | 102311223123231 |
5 | 1121402431141 |
6 | 51210143153 |
7 | 10555322604 |
oct | 2265533355 |
9 | 730646676 |
10 | 316061421 |
11 | 152454695 |
12 | 89a21ab9 |
13 | 506325c0 |
14 | 2dd94a3b |
15 | 1cb32c66 |
hex | 12d6b6ed |
316061421 has 16 divisors (see below), whose sum is σ = 458330880. Its totient is φ = 192571200.
The previous prime is 316061411. The next prime is 316061443. The reversal of 316061421 is 124160613.
It is not a de Polignac number, because 316061421 - 27 = 316061293 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 316061391 and 316061400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (316061411) 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, 36181 + ... + 44058.
It is an arithmetic number, because the mean of its divisors is an integer number (28645680).
Almost surely, 2316061421 is an apocalyptic number.
It is an amenable number.
316061421 is a deficient number, since it is larger than the sum of its proper divisors (142269459).
316061421 is a wasteful number, since it uses less digits than its factorization.
316061421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80356.
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 316061421 is about 17778.1163512899. The cubic root of 316061421 is about 681.1725882805.
The spelling of 316061421 in words is "three hundred sixteen million, sixty-one thousand, four hundred twenty-one".
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