Base | Representation |
---|---|
bin | 101100000001… |
… | …0111001101011 |
3 | 1121102121120101 |
4 | 1120002321223 |
5 | 21402034210 |
6 | 2142410231 |
7 | 400116151 |
oct | 130027153 |
9 | 47377511 |
10 | 23080555 |
11 | 12034843 |
12 | 7890977 |
13 | 4a21644 |
14 | 30cb3d1 |
15 | 205da3a |
hex | 1602e6b |
23080555 has 4 divisors (see below), whose sum is σ = 27696672. Its totient is φ = 18464440.
The previous prime is 23080553. The next prime is 23080559. The reversal of 23080555 is 55508032.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 23080555 - 21 = 23080553 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23080553) 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, 2308051 + ... + 2308060.
It is an arithmetic number, because the mean of its divisors is an integer number (6924168).
Almost surely, 223080555 is an apocalyptic number.
23080555 is a deficient number, since it is larger than the sum of its proper divisors (4616117).
23080555 is an equidigital number, since it uses as much as digits as its factorization.
23080555 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4616116.
The product of its (nonzero) digits is 6000, while the sum is 28.
The square root of 23080555 is about 4804.2226218193. Note that the first 3 decimals coincide. The cubic root of 23080555 is about 284.7183222926.
Adding to 23080555 its reverse (55508032), we get a palindrome (78588587).
It can be divided in two parts, 230805 and 55, that added together give a triangular number (230860 = T679).
The spelling of 23080555 in words is "twenty-three million, eighty thousand, five hundred fifty-five".
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