Base | Representation |
---|---|
bin | 1000110100011… |
… | …11100000110101 |
3 | 12011012222122211 |
4 | 10122033200311 |
5 | 122420110044 |
6 | 11201453421 |
7 | 1555613614 |
oct | 432174065 |
9 | 164188584 |
10 | 73988149 |
11 | 38845434 |
12 | 20941271 |
13 | 12436b91 |
14 | 9b7d87b |
15 | 6767634 |
hex | 468f835 |
73988149 has 8 divisors (see below), whose sum is σ = 76083840. Its totient is φ = 71906400.
The previous prime is 73988141. The next prime is 73988179. The reversal of 73988149 is 94188937.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 73988149 - 23 = 73988141 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 (73988141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7782 + ... + 14440.
It is an arithmetic number, because the mean of its divisors is an integer number (9510480).
Almost surely, 273988149 is an apocalyptic number.
It is an amenable number.
73988149 is a deficient number, since it is larger than the sum of its proper divisors (2095691).
73988149 is a wasteful number, since it uses less digits than its factorization.
73988149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6971.
The product of its digits is 435456, while the sum is 49.
The square root of 73988149 is about 8601.6364140784. The cubic root of 73988149 is about 419.8112322540.
It can be divided in two parts, 739 and 88149, that added together give a palindrome (88888).
The spelling of 73988149 in words is "seventy-three million, nine hundred eighty-eight thousand, one hundred forty-nine".
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