Base | Representation |
---|---|
bin | 111100111100111… |
… | …101111001011100 |
3 | 2122021020020020112 |
4 | 330330331321130 |
5 | 4043242141012 |
6 | 245250105152 |
7 | 34225041140 |
oct | 7474757134 |
9 | 2567206215 |
10 | 1022615132 |
11 | 48526a980 |
12 | 24657b1b8 |
13 | 133b27a16 |
14 | 99b57220 |
15 | 5eb9c122 |
hex | 3cf3de5c |
1022615132 has 48 divisors (see below), whose sum is σ = 2242851072. Its totient is φ = 396334080.
The previous prime is 1022615117. The next prime is 1022615141. The reversal of 1022615132 is 2315162201.
It is a junction number, because it is equal to n+sod(n) for n = 1022615098 and 1022615107.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50843 + ... + 68045.
It is an arithmetic number, because the mean of its divisors is an integer number (46726064).
Almost surely, 21022615132 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1022615132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1121425536).
1022615132 is an abundant number, since it is smaller than the sum of its proper divisors (1220235940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1022615132 is a wasteful number, since it uses less digits than its factorization.
1022615132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17418 (or 17416 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 1022615132 is about 31978.3541164957. The cubic root of 1022615132 is about 1007.4822535855.
Adding to 1022615132 its reverse (2315162201), we get a palindrome (3337777333).
The spelling of 1022615132 in words is "one billion, twenty-two million, six hundred fifteen thousand, one hundred thirty-two".
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