Base | Representation |
---|---|
bin | 1001000001011… |
… | …00100111010101 |
3 | 12021101221201212 |
4 | 10200230213111 |
5 | 123333231323 |
6 | 11302031205 |
7 | 1606162010 |
oct | 440544725 |
9 | 167357655 |
10 | 75680213 |
11 | 397a0734 |
12 | 21418505 |
13 | 128aa0bb |
14 | a0a0377 |
15 | 699db78 |
hex | 482c9d5 |
75680213 has 4 divisors (see below), whose sum is σ = 86491680. Its totient is φ = 64868748.
The previous prime is 75680197. The next prime is 75680221. The reversal of 75680213 is 31208657.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 75680213 - 24 = 75680197 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 75680213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75680113) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5405723 + ... + 5405736.
It is an arithmetic number, because the mean of its divisors is an integer number (21622920).
Almost surely, 275680213 is an apocalyptic number.
It is an amenable number.
75680213 is a deficient number, since it is larger than the sum of its proper divisors (10811467).
75680213 is a wasteful number, since it uses less digits than its factorization.
75680213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10811466.
The product of its (nonzero) digits is 10080, while the sum is 32.
The square root of 75680213 is about 8699.4375105520. The cubic root of 75680213 is about 422.9874173538.
The spelling of 75680213 in words is "seventy-five million, six hundred eighty thousand, two hundred thirteen".
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