Base | Representation |
---|---|
bin | 111001011101111… |
… | …0110111101100001 |
3 | 11222101102111102020 |
4 | 1302323312331201 |
5 | 12422120403431 |
6 | 515202012053 |
7 | 65533142046 |
oct | 16273667541 |
9 | 4871374366 |
10 | 1928294241 |
11 | 8aa521005 |
12 | 459947029 |
13 | 24965c313 |
14 | 1441511cd |
15 | b444b696 |
hex | 72ef6f61 |
1928294241 has 16 divisors (see below), whose sum is σ = 2766930048. Its totient is φ = 1190073600.
The previous prime is 1928294219. The next prime is 1928294243. The reversal of 1928294241 is 1424928291.
It is not a de Polignac number, because 1928294241 - 213 = 1928286049 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1928294193 and 1928294202.
It is not an unprimeable number, because it can be changed into a prime (1928294243) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306805 + ... + 313026.
It is an arithmetic number, because the mean of its divisors is an integer number (172933128).
Almost surely, 21928294241 is an apocalyptic number.
It is an amenable number.
1928294241 is a deficient number, since it is larger than the sum of its proper divisors (838635807).
1928294241 is a wasteful number, since it uses less digits than its factorization.
1928294241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 619912.
The product of its digits is 82944, while the sum is 42.
The square root of 1928294241 is about 43912.3472499478. The cubic root of 1928294241 is about 1244.6801629991.
The spelling of 1928294241 in words is "one billion, nine hundred twenty-eight million, two hundred ninety-four thousand, two hundred forty-one".
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