Base | Representation |
---|---|
bin | 111100111011011… |
… | …110001111110001 |
3 | 2122020111022210220 |
4 | 330323132033301 |
5 | 4043142121340 |
6 | 245233443253 |
7 | 34221516663 |
oct | 7473361761 |
9 | 2566438726 |
10 | 1022223345 |
11 | 485022590 |
12 | 246410529 |
13 | 133a1b5b0 |
14 | 99a94533 |
15 | 5eb20ed0 |
hex | 3cede3f1 |
1022223345 has 128 divisors (see below), whose sum is σ = 2062609920. Its totient is φ = 426147840.
The previous prime is 1022223343. The next prime is 1022223359. The reversal of 1022223345 is 5433222201.
It is not a de Polignac number, because 1022223345 - 21 = 1022223343 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1022223343) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10538337 + ... + 10538433.
It is an arithmetic number, because the mean of its divisors is an integer number (16114140).
Almost surely, 21022223345 is an apocalyptic number.
1022223345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1022223345 is an abundant number, since it is smaller than the sum of its proper divisors (1040386575).
1022223345 is a wasteful number, since it uses less digits than its factorization.
1022223345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 180 (or 146 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 24.
The square root of 1022223345 is about 31972.2277140646. The cubic root of 1022223345 is about 1007.3535740668.
Adding to 1022223345 its reverse (5433222201), we get a palindrome (6455445546).
The spelling of 1022223345 in words is "one billion, twenty-two million, two hundred twenty-three thousand, three hundred forty-five".
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