Base | Representation |
---|---|
bin | 1000001100110111110011 |
3 | 11001020002000 |
4 | 20030313303 |
5 | 1022244000 |
6 | 114025043 |
7 | 24162600 |
oct | 10146763 |
9 | 4036060 |
10 | 2149875 |
11 | 1239262 |
12 | 878183 |
13 | 5a3720 |
14 | 3dd6a7 |
15 | 2c7000 |
hex | 20cdf3 |
2149875 has 96 divisors (see below), whose sum is σ = 4979520. Its totient is φ = 907200.
The previous prime is 2149867. The next prime is 2149877. The reversal of 2149875 is 5789412.
It is not a de Polignac number, because 2149875 - 23 = 2149867 is a prime.
Its product of digits (20160) is a multiple of the sum of its prime divisors (28).
It is not an unprimeable number, because it can be changed into a prime (2149877) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 165369 + ... + 165381.
It is an arithmetic number, because the mean of its divisors is an integer number (51870).
22149875 is an apocalyptic number.
2149875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
2149875 is an abundant number, since it is smaller than the sum of its proper divisors (2829645).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2149875 is a wasteful number, since it uses less digits than its factorization.
2149875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51 (or 28 counting only the distinct ones).
The product of its digits is 20160, while the sum is 36.
The square root of 2149875 is about 1466.2452045957. The cubic root of 2149875 is about 129.0637867343.
The spelling of 2149875 in words is "two million, one hundred forty-nine thousand, eight hundred seventy-five".
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