Base | Representation |
---|---|
bin | 1000101101010… |
… | …10111011101001 |
3 | 12002110102100020 |
4 | 10112222323221 |
5 | 122200130011 |
6 | 11125431053 |
7 | 1544634150 |
oct | 426527351 |
9 | 162412306 |
10 | 73051881 |
11 | 38265a61 |
12 | 2056b489 |
13 | 12199986 |
14 | 99b8597 |
15 | 6630006 |
hex | 45aaee9 |
73051881 has 8 divisors (see below), whose sum is σ = 111317184. Its totient is φ = 41743920.
The previous prime is 73051879. The next prime is 73051889. The reversal of 73051881 is 18815037.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 73051881 - 21 = 73051879 is a prime.
It is a super-2 number, since 2×730518812 = 10673154635276322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (73051889) 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, 1739310 + ... + 1739351.
It is an arithmetic number, because the mean of its divisors is an integer number (13914648).
Almost surely, 273051881 is an apocalyptic number.
It is an amenable number.
73051881 is a deficient number, since it is larger than the sum of its proper divisors (38265303).
73051881 is a wasteful number, since it uses less digits than its factorization.
73051881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3478671.
The product of its (nonzero) digits is 6720, while the sum is 33.
The square root of 73051881 is about 8547.0393119489. The cubic root of 73051881 is about 418.0329045471.
The spelling of 73051881 in words is "seventy-three million, fifty-one thousand, eight hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •