Base | Representation |
---|---|
bin | 111011100000011101000 |
3 | 10200001210120 |
4 | 13130003220 |
5 | 444344203 |
6 | 105443240 |
7 | 22400631 |
oct | 7340350 |
9 | 3601716 |
10 | 1949928 |
11 | 1112012 |
12 | 7a0520 |
13 | 533706 |
14 | 38a888 |
15 | 287b53 |
hex | 1dc0e8 |
1949928 has 32 divisors (see below), whose sum is σ = 4924800. Its totient is φ = 643328.
The previous prime is 1949911. The next prime is 1949929. The reversal of 1949928 is 8299491.
It is a self number, because there is not a number n which added to its sum of digits gives 1949928.
It is not an unprimeable number, because it can be changed into a prime (1949929) 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, 2353 + ... + 3071.
It is an arithmetic number, because the mean of its divisors is an integer number (153900).
21949928 is an apocalyptic number.
It is an amenable number.
1949928 is an abundant number, since it is smaller than the sum of its proper divisors (2974872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1949928 is a wasteful number, since it uses less digits than its factorization.
1949928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 841 (or 837 counting only the distinct ones).
The product of its digits is 46656, while the sum is 42.
The square root of 1949928 is about 1396.3982240035. The cubic root of 1949928 is about 124.9317600866.
It can be divided in two parts, 194992 and 8, that added together give a triangular number (195000 = T624).
The spelling of 1949928 in words is "one million, nine hundred forty-nine thousand, nine hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •