Base | Representation |
---|---|
bin | 111001011101111… |
… | …0110101100000000 |
3 | 11222101102102212201 |
4 | 1302323312230000 |
5 | 12422120334440 |
6 | 515202002544 |
7 | 65533135555 |
oct | 16273665400 |
9 | 4871372781 |
10 | 1928293120 |
11 | 8aa520186 |
12 | 459946454 |
13 | 24965b960 |
14 | 144150a2c |
15 | b444b19a |
hex | 72ef6b00 |
1928293120 has 72 divisors (see below), whose sum is σ = 4974204816. Its totient is φ = 711979008.
The previous prime is 1928293091. The next prime is 1928293127. The reversal of 1928293120 is 213928291.
It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 1928293120.
It is not an unprimeable number, because it can be changed into a prime (1928293127) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41302 + ... + 74581.
It is an arithmetic number, because the mean of its divisors is an integer number (69086178).
Almost surely, 21928293120 is an apocalyptic number.
1928293120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1928293120 is an abundant number, since it is smaller than the sum of its proper divisors (3045911696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1928293120 is a wasteful number, since it uses less digits than its factorization.
1928293120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115917 (or 115903 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 37.
The square root of 1928293120 is about 43912.3344858822. The cubic root of 1928293120 is about 1244.6799218038.
The spelling of 1928293120 in words is "one billion, nine hundred twenty-eight million, two hundred ninety-three thousand, one hundred twenty".
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