Base | Representation |
---|---|
bin | 1000101101100… |
… | …11111101011111 |
3 | 12002112022001221 |
4 | 10112303331133 |
5 | 122202320423 |
6 | 11130314211 |
7 | 1545150031 |
oct | 426637537 |
9 | 162468057 |
10 | 73088863 |
11 | 38290821 |
12 | 20588967 |
13 | 121b0763 |
14 | 99c7c51 |
15 | 663ae5d |
hex | 45b3f5f |
73088863 has 4 divisors (see below), whose sum is σ = 74788648. Its totient is φ = 71389080.
The previous prime is 73088861. The next prime is 73088927. The reversal of 73088863 is 36888037.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36888037 = 859 ⋅42943.
It is a cyclic number.
It is not a de Polignac number, because 73088863 - 21 = 73088861 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 1699741 = 73088863 / (7 + 3 + 0 + 8 + 8 + 8 + 6 + 3).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (73088861) 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, 849828 + ... + 849913.
It is an arithmetic number, because the mean of its divisors is an integer number (18697162).
Almost surely, 273088863 is an apocalyptic number.
73088863 is a deficient number, since it is larger than the sum of its proper divisors (1699785).
73088863 is a wasteful number, since it uses less digits than its factorization.
73088863 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1699784.
The product of its (nonzero) digits is 193536, while the sum is 43.
The square root of 73088863 is about 8549.2024774244. The cubic root of 73088863 is about 418.1034347174.
The spelling of 73088863 in words is "seventy-three million, eighty-eight thousand, eight hundred sixty-three".
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