Base | Representation |
---|---|
bin | 1001000111100… |
… | …01100110000111 |
3 | 12022220221111121 |
4 | 10203301212013 |
5 | 124040041142 |
6 | 11331214411 |
7 | 1616062210 |
oct | 443614607 |
9 | 168827447 |
10 | 76487047 |
11 | 3a1a193a |
12 | 21747407 |
13 | 12b00410 |
14 | a230407 |
15 | 6aacc67 |
hex | 48f1987 |
76487047 has 16 divisors (see below), whose sum is σ = 94346560. Its totient is φ = 60383232.
The previous prime is 76487039. The next prime is 76487053. The reversal of 76487047 is 74078467.
It is not a de Polignac number, because 76487047 - 23 = 76487039 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 76486994 and 76487012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (76487057) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69433 + ... + 70525.
It is an arithmetic number, because the mean of its divisors is an integer number (5896660).
Almost surely, 276487047 is an apocalyptic number.
76487047 is a deficient number, since it is larger than the sum of its proper divisors (17859513).
76487047 is a wasteful number, since it uses less digits than its factorization.
76487047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1882.
The product of its (nonzero) digits is 263424, while the sum is 43.
The square root of 76487047 is about 8745.6873371965. The cubic root of 76487047 is about 424.4852767480.
The spelling of 76487047 in words is "seventy-six million, four hundred eighty-seven thousand, forty-seven".
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