Base | Representation |
---|---|
bin | 1000101101001… |
… | …10100111110111 |
3 | 12002102112010112 |
4 | 10112212213313 |
5 | 122144043411 |
6 | 11125213235 |
7 | 1544531534 |
oct | 426464767 |
9 | 162375115 |
10 | 73034231 |
11 | 38253776 |
12 | 2056121b |
13 | 1219192a |
14 | 99b1d8b |
15 | 6629b8b |
hex | 45a69f7 |
73034231 has 4 divisors (see below), whose sum is σ = 73051392. Its totient is φ = 73017072.
The previous prime is 73034207. The next prime is 73034249. The reversal of 73034231 is 13243037.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 13243037 = 2341 ⋅5657.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-73034231 is a prime.
It is a super-2 number, since 2×730342312 = 10667997795522722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 73034197 and 73034206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (73034281) 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, 3146 + ... + 12488.
It is an arithmetic number, because the mean of its divisors is an integer number (18262848).
Almost surely, 273034231 is an apocalyptic number.
73034231 is a deficient number, since it is larger than the sum of its proper divisors (17161).
73034231 is an equidigital number, since it uses as much as digits as its factorization.
73034231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17160.
The product of its (nonzero) digits is 1512, while the sum is 23.
The square root of 73034231 is about 8546.0067282913. The cubic root of 73034231 is about 417.9992349825. Note that the first 3 decimals are identical.
Adding to 73034231 its reverse (13243037), we get a palindrome (86277268).
The spelling of 73034231 in words is "seventy-three million, thirty-four thousand, two hundred thirty-one".
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