Base | Representation |
---|---|
bin | 1000101110010… |
… | …11011100010010 |
3 | 12002201012000010 |
4 | 10113023130102 |
5 | 122213410132 |
6 | 11132335350 |
7 | 1546030320 |
oct | 427133422 |
9 | 162635003 |
10 | 73185042 |
11 | 38347007 |
12 | 20614556 |
13 | 12215478 |
14 | 9a10d10 |
15 | 66596cc |
hex | 45cb712 |
73185042 has 16 divisors (see below), whose sum is σ = 167280192. Its totient is φ = 20910000.
The previous prime is 73185037. The next prime is 73185043. The reversal of 73185042 is 24058137.
It is not an unprimeable number, because it can be changed into a prime (73185043) 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, 871209 + ... + 871292.
It is an arithmetic number, because the mean of its divisors is an integer number (10455012).
Almost surely, 273185042 is an apocalyptic number.
73185042 is an abundant number, since it is smaller than the sum of its proper divisors (94095150).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
73185042 is a wasteful number, since it uses less digits than its factorization.
73185042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1742513.
The product of its (nonzero) digits is 6720, while the sum is 30.
The square root of 73185042 is about 8554.8256557337. The cubic root of 73185042 is about 418.2867510375.
The spelling of 73185042 in words is "seventy-three million, one hundred eighty-five thousand, forty-two".
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