Base | Representation |
---|---|
bin | 1001000001100… |
… | …00001010101001 |
3 | 12021102200200200 |
4 | 10200300022221 |
5 | 123334213021 |
6 | 11302222413 |
7 | 1606252302 |
oct | 440601251 |
9 | 167380620 |
10 | 75694761 |
11 | 3980065a |
12 | 21424a09 |
13 | 128b38cc |
14 | a0a57a9 |
15 | 69a3126 |
hex | 48302a9 |
75694761 has 12 divisors (see below), whose sum is σ = 115768692. Its totient is φ = 47494656.
The previous prime is 75694757. The next prime is 75694763. The reversal of 75694761 is 16749657.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 58430736 + 17264025 = 7644^2 + 4155^2 .
It is not a de Polignac number, because 75694761 - 22 = 75694757 is a prime.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (75694763) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247216 + ... + 247521.
It is an arithmetic number, because the mean of its divisors is an integer number (9647391).
Almost surely, 275694761 is an apocalyptic number.
It is an amenable number.
75694761 is a deficient number, since it is larger than the sum of its proper divisors (40073931).
75694761 is a wasteful number, since it uses less digits than its factorization.
75694761 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 494760 (or 494757 counting only the distinct ones).
The product of its digits is 317520, while the sum is 45.
The square root of 75694761 is about 8700.2736163870. The cubic root of 75694761 is about 423.0145192273.
It can be divided in two parts, 7569 and 4761, that multiplied together give a square (36036009 = 60032).
The spelling of 75694761 in words is "seventy-five million, six hundred ninety-four thousand, seven hundred sixty-one".
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