Base | Representation |
---|---|
bin | 1000101101000… |
… | …11111110000001 |
3 | 12002101222012221 |
4 | 10112203332001 |
5 | 122143221421 |
6 | 11125051041 |
7 | 1544455045 |
oct | 426437601 |
9 | 162358187 |
10 | 73023361 |
11 | 38246594 |
12 | 20556a81 |
13 | 121899b8 |
14 | 99ac025 |
15 | 6626841 |
hex | 45a3f81 |
73023361 has 4 divisors (see below), whose sum is σ = 73137924. Its totient is φ = 72908800.
The previous prime is 73023359. The next prime is 73023373. The reversal of 73023361 is 16332037.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16332037 = 263 ⋅62099.
It can be written as a sum of positive squares in 2 ways, for example, as 45144961 + 27878400 = 6719^2 + 5280^2 .
It is a cyclic number.
It is not a de Polignac number, because 73023361 - 21 = 73023359 is a prime.
It is a super-2 number, since 2×730233612 = 10664822503472642, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (73023341) 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 3 ways as a sum of consecutive naturals, for example, 56320 + ... + 57601.
It is an arithmetic number, because the mean of its divisors is an integer number (18284481).
Almost surely, 273023361 is an apocalyptic number.
It is an amenable number.
73023361 is a deficient number, since it is larger than the sum of its proper divisors (114563).
73023361 is a wasteful number, since it uses less digits than its factorization.
73023361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 114562.
The product of its (nonzero) digits is 2268, while the sum is 25.
The square root of 73023361 is about 8545.3707350822. The cubic root of 73023361 is about 417.9784964099.
Adding to 73023361 its reverse (16332037), we get a palindrome (89355398).
The spelling of 73023361 in words is "seventy-three million, twenty-three thousand, three hundred sixty-one".
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