Base | Representation |
---|---|
bin | 1001000001100… |
… | …01011101001111 |
3 | 12021102221221110 |
4 | 10200301131033 |
5 | 123334400142 |
6 | 11302303103 |
7 | 1606303563 |
oct | 440613517 |
9 | 167387843 |
10 | 75700047 |
11 | 39804625 |
12 | 21427a93 |
13 | 128b6137 |
14 | a0a76a3 |
15 | 69a499c |
hex | 483174f |
75700047 has 16 divisors (see below), whose sum is σ = 109675520. Its totient is φ = 46267200.
The previous prime is 75700021. The next prime is 75700057. The reversal of 75700047 is 74000757.
It is a happy number.
It is not a de Polignac number, because 75700047 - 27 = 75699919 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 75699987 and 75700023.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75700057) 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, 19654 + ... + 23187.
It is an arithmetic number, because the mean of its divisors is an integer number (6854720).
Almost surely, 275700047 is an apocalyptic number.
75700047 is a deficient number, since it is larger than the sum of its proper divisors (33975473).
75700047 is a wasteful number, since it uses less digits than its factorization.
75700047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42894.
The product of its (nonzero) digits is 6860, while the sum is 30.
The square root of 75700047 is about 8700.5773946331. The cubic root of 75700047 is about 423.0243658035.
The spelling of 75700047 in words is "seventy-five million, seven hundred thousand, forty-seven".
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