Base | Representation |
---|---|
bin | 101111101111011… |
… | …1000001111111110 |
3 | 11010122022111011120 |
4 | 1133132320033332 |
5 | 11240043231423 |
6 | 422542531410 |
7 | 54461116356 |
oct | 13736701776 |
9 | 4118274146 |
10 | 1601930238 |
11 | 75227a997 |
12 | 388596b66 |
13 | 1c6b6051c |
14 | 112a77b66 |
15 | 95980ee3 |
hex | 5f7b83fe |
1601930238 has 32 divisors (see below), whose sum is σ = 3221683200. Its totient is φ = 531015936.
The previous prime is 1601930203. The next prime is 1601930251. The reversal of 1601930238 is 8320391061.
It is a junction number, because it is equal to n+sod(n) for n = 1601930199 and 1601930208.
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, 1013733 + ... + 1015311.
It is an arithmetic number, because the mean of its divisors is an integer number (100677600).
Almost surely, 21601930238 is an apocalyptic number.
1601930238 is an abundant number, since it is smaller than the sum of its proper divisors (1619752962).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1601930238 is a wasteful number, since it uses less digits than its factorization.
1601930238 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2416.
The product of its (nonzero) digits is 7776, while the sum is 33.
The square root of 1601930238 is about 40024.1207023964. The cubic root of 1601930238 is about 1170.0772437862.
The spelling of 1601930238 in words is "one billion, six hundred one million, nine hundred thirty thousand, two hundred thirty-eight".
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