Base | Representation |
---|---|
bin | 11011110011110… |
… | …01001110100100 |
3 | 121020221212120120 |
4 | 31321321032210 |
5 | 434204433140 |
6 | 35052001540 |
7 | 5531564562 |
oct | 1571711644 |
9 | 536855516 |
10 | 233280420 |
11 | 10a75403a |
12 | 661602b0 |
13 | 3943a469 |
14 | 22da6a32 |
15 | 157301d0 |
hex | de793a4 |
233280420 has 24 divisors (see below), whose sum is σ = 653185344. Its totient is φ = 62208096.
The previous prime is 233280391. The next prime is 233280427. The reversal of 233280420 is 24082332.
It is not an unprimeable number, because it can be changed into a prime (233280427) 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, 1943944 + ... + 1944063.
It is an arithmetic number, because the mean of its divisors is an integer number (27216056).
Almost surely, 2233280420 is an apocalyptic number.
233280420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
233280420 is an abundant number, since it is smaller than the sum of its proper divisors (419904924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
233280420 is a wasteful number, since it uses less digits than its factorization.
233280420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3888019 (or 3888017 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 24.
The square root of 233280420 is about 15273.5202229218. The cubic root of 233280420 is about 615.5917102426.
The spelling of 233280420 in words is "two hundred thirty-three million, two hundred eighty thousand, four hundred twenty".
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