Base | Representation |
---|---|
bin | 1000001010001110101000 |
3 | 11000200020000 |
4 | 20022032220 |
5 | 1021422143 |
6 | 113503000 |
7 | 24116202 |
oct | 10121650 |
9 | 4020200 |
10 | 2139048 |
11 | 123110a |
12 | 871a60 |
13 | 59b812 |
14 | 3d9772 |
15 | 2c3bd3 |
hex | 20a3a8 |
2139048 has 40 divisors (see below), whose sum is σ = 5993130. Its totient is φ = 712800.
The previous prime is 2139047. The next prime is 2139091. The reversal of 2139048 is 8409312.
It can be written as a sum of positive squares in only one way, i.e., 2022084 + 116964 = 1422^2 + 342^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (2139043) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1003 + ... + 2298.
22139048 is an apocalyptic number.
It is an amenable number.
2139048 is an abundant number, since it is smaller than the sum of its proper divisors (3854082).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2139048 is a wasteful number, since it uses less digits than its factorization.
2139048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3319 (or 3306 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 2139048 is about 1462.5484607356. The cubic root of 2139048 is about 128.8467623370.
It can be divided in two parts, 213 and 9048, that added together give a cube (9261 = 213).
The spelling of 2139048 in words is "two million, one hundred thirty-nine thousand, forty-eight".
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