Base | Representation |
---|---|
bin | 1000101101111… |
… | …00100000101000 |
3 | 12002121002002212 |
4 | 10112330200220 |
5 | 122204431010 |
6 | 11131144252 |
7 | 1545354104 |
oct | 426744050 |
9 | 162532085 |
10 | 73123880 |
11 | 38305065 |
12 | 205a5088 |
13 | 121c368b |
14 | 99d6904 |
15 | 6646505 |
hex | 45bc828 |
73123880 has 32 divisors (see below), whose sum is σ = 164959200. Its totient is φ = 29173056.
The previous prime is 73123873. The next prime is 73123903. The reversal of 73123880 is 8832137.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14579 + ... + 18941.
It is an arithmetic number, because the mean of its divisors is an integer number (5154975).
Almost surely, 273123880 is an apocalyptic number.
It is an amenable number.
73123880 is an abundant number, since it is smaller than the sum of its proper divisors (91835320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
73123880 is a wasteful number, since it uses less digits than its factorization.
73123880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4793 (or 4789 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 32.
The square root of 73123880 is about 8551.2502009940. The cubic root of 73123880 is about 418.1701954151.
The spelling of 73123880 in words is "seventy-three million, one hundred twenty-three thousand, eight hundred eighty".
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