Base | Representation |
---|---|
bin | 1001000010011… |
… | …01000101011101 |
3 | 12021122201011210 |
4 | 10201031011131 |
5 | 123402010323 |
6 | 11304535033 |
7 | 1610254530 |
oct | 441150535 |
9 | 167581153 |
10 | 75813213 |
11 | 39881653 |
12 | 21481479 |
13 | 129257b8 |
14 | a0d6a17 |
15 | 69c8293 |
hex | 484d15d |
75813213 has 8 divisors (see below), whose sum is σ = 115524928. Its totient is φ = 43321824.
The previous prime is 75813191. The next prime is 75813239. The reversal of 75813213 is 31231857.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-75813213 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75813293) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1805056 + ... + 1805097.
It is an arithmetic number, because the mean of its divisors is an integer number (14440616).
Almost surely, 275813213 is an apocalyptic number.
It is an amenable number.
75813213 is a deficient number, since it is larger than the sum of its proper divisors (39711715).
75813213 is a wasteful number, since it uses less digits than its factorization.
75813213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3610163.
The product of its digits is 5040, while the sum is 30.
The square root of 75813213 is about 8707.0783274299. The cubic root of 75813213 is about 423.2350576153.
The spelling of 75813213 in words is "seventy-five million, eight hundred thirteen thousand, two hundred thirteen".
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