Base | Representation |
---|---|
bin | 111100111111001… |
… | …100000100001000 |
3 | 2122022022211000210 |
4 | 330333030010020 |
5 | 4043414304243 |
6 | 245310401120 |
7 | 34233014640 |
oct | 7477140410 |
9 | 2568284023 |
10 | 1023197448 |
11 | 485628429 |
12 | 2468001a0 |
13 | 133c9caa0 |
14 | 99c69520 |
15 | 5ec64933 |
hex | 3cfcc108 |
1023197448 has 128 divisors (see below), whose sum is σ = 3158507520. Its totient is φ = 268980480.
The previous prime is 1023197437. The next prime is 1023197491. The reversal of 1023197448 is 8447913201.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 940761 + ... + 941847.
It is an arithmetic number, because the mean of its divisors is an integer number (24675840).
Almost surely, 21023197448 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 1023197448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1579253760).
1023197448 is an abundant number, since it is smaller than the sum of its proper divisors (2135310072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1023197448 is a wasteful number, since it uses less digits than its factorization.
1023197448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1547 (or 1543 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 39.
The square root of 1023197448 is about 31987.4576670294. The cubic root of 1023197448 is about 1007.6734502194.
The spelling of 1023197448 in words is "one billion, twenty-three million, one hundred ninety-seven thousand, four hundred forty-eight".
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