Base | Representation |
---|---|
bin | 100100101110010… |
… | …0011110100010001 |
3 | 10011212122102212121 |
4 | 1021130203310101 |
5 | 10010422123010 |
6 | 322134454241 |
7 | 42351504232 |
oct | 11134436421 |
9 | 3155572777 |
10 | 1232223505 |
11 | 582615837 |
12 | 2a4804381 |
13 | 168397546 |
14 | b991b089 |
15 | 732a33da |
hex | 49723d11 |
1232223505 has 24 divisors (see below), whose sum is σ = 1561105728. Its totient is φ = 933557856.
The previous prime is 1232223493. The next prime is 1232223521. The reversal of 1232223505 is 5053222321.
It is not a de Polignac number, because 1232223505 - 221 = 1230126353 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1232223505.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270174 + ... + 274696.
It is an arithmetic number, because the mean of its divisors is an integer number (65046072).
Almost surely, 21232223505 is an apocalyptic number.
It is an amenable number.
1232223505 is a deficient number, since it is larger than the sum of its proper divisors (328882223).
1232223505 is a wasteful number, since it uses less digits than its factorization.
1232223505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4677 (or 4654 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 25.
The square root of 1232223505 is about 35103.0412500114. The cubic root of 1232223505 is about 1072.0865057099.
Adding to 1232223505 its reverse (5053222321), we get a palindrome (6285445826).
The spelling of 1232223505 in words is "one billion, two hundred thirty-two million, two hundred twenty-three thousand, five hundred five".
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