Base | Representation |
---|---|
bin | 1110110011101000001000 |
3 | 21022012101112 |
4 | 32303220020 |
5 | 1443201410 |
6 | 215105452 |
7 | 44664161 |
oct | 16635010 |
9 | 7265345 |
10 | 3881480 |
11 | 2211239 |
12 | 1372288 |
13 | a5b945 |
14 | 730768 |
15 | 51a105 |
hex | 3b3a08 |
3881480 has 32 divisors (see below), whose sum is σ = 9115200. Its totient is φ = 1484736.
The previous prime is 3881467. The next prime is 3881509. The reversal of 3881480 is 841883.
It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1190 + ... + 3029.
It is an arithmetic number, because the mean of its divisors is an integer number (284850).
Almost surely, 23881480 is an apocalyptic number.
It is an amenable number.
3881480 is an abundant number, since it is smaller than the sum of its proper divisors (5233720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3881480 is a wasteful number, since it uses less digits than its factorization.
3881480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4253 (or 4249 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 32.
The square root of 3881480 is about 1970.1472026222. The cubic root of 3881480 is about 157.1565371798.
It can be divided in two parts, 38 and 81480, that added together give a palindrome (81518).
The spelling of 3881480 in words is "three million, eight hundred eighty-one thousand, four hundred eighty".
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