Base | Representation |
---|---|
bin | 1110100001110000011000 |
3 | 21011110222102 |
4 | 32201300120 |
5 | 1433331110 |
6 | 213342532 |
7 | 44240600 |
oct | 16416030 |
9 | 7143872 |
10 | 3808280 |
11 | 2171243 |
12 | 1337a48 |
13 | a34528 |
14 | 711c00 |
15 | 5035a5 |
hex | 3a1c18 |
3808280 has 96 divisors (see below), whose sum is σ = 10465200. Its totient is φ = 1241856.
The previous prime is 3808267. The next prime is 3808283. The reversal of 3808280 is 828083.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3808283) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56807 + ... + 56873.
Almost surely, 23808280 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 3808280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5232600).
3808280 is an abundant number, since it is smaller than the sum of its proper divisors (6656920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3808280 is a wasteful number, since it uses less digits than its factorization.
3808280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121 (or 110 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 29.
The square root of 3808280 is about 1951.4814885107. The cubic root of 3808280 is about 156.1623337562.
The spelling of 3808280 in words is "three million, eight hundred eight thousand, two hundred eighty".
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