Base | Representation |
---|---|
bin | 1100000000110001010101 |
3 | 12220222110101 |
4 | 30000301111 |
5 | 1301231020 |
6 | 151254101 |
7 | 35523265 |
oct | 14006125 |
9 | 5828411 |
10 | 3148885 |
11 | 1860893 |
12 | 107a331 |
13 | 86335c |
14 | 5bd7a5 |
15 | 42300a |
hex | 300c55 |
3148885 has 8 divisors (see below), whose sum is σ = 3881016. Its totient is φ = 2450880.
The previous prime is 3148883. The next prime is 3148897. The reversal of 3148885 is 5888413.
It can be written as a sum of positive squares in 4 ways, for example, as 1800964 + 1347921 = 1342^2 + 1161^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 3148885 - 21 = 3148883 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3148883) 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, 8326 + ... + 8695.
It is an arithmetic number, because the mean of its divisors is an integer number (485127).
Almost surely, 23148885 is an apocalyptic number.
It is an amenable number.
3148885 is a deficient number, since it is larger than the sum of its proper divisors (732131).
3148885 is a wasteful number, since it uses less digits than its factorization.
3148885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17063.
The product of its digits is 30720, while the sum is 37.
The square root of 3148885 is about 1774.5097914635. The cubic root of 3148885 is about 146.5724228108.
It can be divided in two parts, 3148 and 885, that multiplied together give a triangular number (2785980 = T2360).
The spelling of 3148885 in words is "three million, one hundred forty-eight thousand, eight hundred eighty-five".
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