Base | Representation |
---|---|
bin | 1010001011101… |
… | …0011101010001 |
3 | 2222100201200012 |
4 | 2202322131101 |
5 | 41413104034 |
6 | 4123204305 |
7 | 1026000350 |
oct | 242723521 |
9 | 88321605 |
10 | 42706769 |
11 | 2211a256 |
12 | 12376695 |
13 | 8b038a1 |
14 | 5959997 |
15 | 3b38cce |
hex | 28ba751 |
42706769 has 16 divisors (see below), whose sum is σ = 50459136. Its totient is φ = 35380800.
The previous prime is 42706759. The next prime is 42706799. The reversal of 42706769 is 96760724.
42706769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 42706769 - 24 = 42706753 is a prime.
It is a super-2 number, since 2×427067692 = 3647736236838722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (42706759) 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, 46424 + ... + 47334.
It is an arithmetic number, because the mean of its divisors is an integer number (3153696).
Almost surely, 242706769 is an apocalyptic number.
It is an amenable number.
42706769 is a deficient number, since it is larger than the sum of its proper divisors (7752367).
42706769 is a wasteful number, since it uses less digits than its factorization.
42706769 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1136.
The product of its (nonzero) digits is 127008, while the sum is 41.
The square root of 42706769 is about 6535.0416219026. The cubic root of 42706769 is about 349.5416285352.
The spelling of 42706769 in words is "forty-two million, seven hundred six thousand, seven hundred sixty-nine".
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