Base | Representation |
---|---|
bin | 1000001010111111011111 |
3 | 11000211111211 |
4 | 20022333133 |
5 | 1022022200 |
6 | 113525251 |
7 | 24131260 |
oct | 10127737 |
9 | 4024454 |
10 | 2142175 |
11 | 12334a2 |
12 | 873827 |
13 | 5a0079 |
14 | 3da967 |
15 | 2c4aba |
hex | 20afdf |
2142175 has 12 divisors (see below), whose sum is σ = 3036016. Its totient is φ = 1468800.
The previous prime is 2142169. The next prime is 2142181. The reversal of 2142175 is 5712412.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (2142169) and next prime (2142181).
It is not a de Polignac number, because 2142175 - 23 = 2142167 is a prime.
It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5946 + ... + 6295.
22142175 is an apocalyptic number.
2142175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
2142175 is a deficient number, since it is larger than the sum of its proper divisors (893841).
2142175 is a wasteful number, since it uses less digits than its factorization.
2142175 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12258 (or 12253 counting only the distinct ones).
The product of its digits is 560, while the sum is 22.
The square root of 2142175 is about 1463.6170947348. The cubic root of 2142175 is about 128.9095173032.
Adding to 2142175 its reverse (5712412), we get a palindrome (7854587).
The spelling of 2142175 in words is "two million, one hundred forty-two thousand, one hundred seventy-five".
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