Base | Representation |
---|---|
bin | 1000110010000… |
… | …11100001010001 |
3 | 12010122011200101 |
4 | 10121003201101 |
5 | 122330130011 |
6 | 11151052401 |
7 | 1553146255 |
oct | 431034121 |
9 | 163564611 |
10 | 73676881 |
11 | 38652593 |
12 | 20811101 |
13 | 123582b5 |
14 | 9adc265 |
15 | 67052c1 |
hex | 4643851 |
73676881 has 4 divisors (see below), whose sum is σ = 73760832. Its totient is φ = 73592932.
The previous prime is 73676873. The next prime is 73676887. The reversal of 73676881 is 18867637.
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, and also an emirpimes, since its reverse is a distinct semiprime: 18867637 = 17 ⋅1109861.
It is a cyclic number.
It is not a de Polignac number, because 73676881 - 23 = 73676873 is a prime.
It is a super-2 number, since 2×736768812 = 10856565587776322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (73676887) 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, 40645 + ... + 42418.
It is an arithmetic number, because the mean of its divisors is an integer number (18440208).
Almost surely, 273676881 is an apocalyptic number.
It is an amenable number.
73676881 is a deficient number, since it is larger than the sum of its proper divisors (83951).
73676881 is an equidigital number, since it uses as much as digits as its factorization.
73676881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83950.
The product of its digits is 338688, while the sum is 46.
The square root of 73676881 is about 8583.5238101843. The cubic root of 73676881 is about 419.2216897302.
The spelling of 73676881 in words is "seventy-three million, six hundred seventy-six thousand, eight hundred eighty-one".
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