Base | Representation |
---|---|
bin | 1000001010111101110110 |
3 | 11000211100221 |
4 | 20022331312 |
5 | 1022021240 |
6 | 113524554 |
7 | 24131050 |
oct | 10127566 |
9 | 4024327 |
10 | 2142070 |
11 | 1233407 |
12 | 87375a |
13 | 59ccc8 |
14 | 3da8d0 |
15 | 2c4a4a |
hex | 20af76 |
2142070 has 32 divisors (see below), whose sum is σ = 4478976. Its totient is φ = 722400.
The previous prime is 2142067. The next prime is 2142073. The reversal of 2142070 is 702412.
It is an interprime number because it is at equal distance from previous prime (2142067) and next prime (2142073).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2142073) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4755 + ... + 5185.
It is an arithmetic number, because the mean of its divisors is an integer number (139968).
22142070 is an apocalyptic number.
2142070 is an abundant number, since it is smaller than the sum of its proper divisors (2336906).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2142070 is a wasteful number, since it uses less digits than its factorization.
2142070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 516.
The product of its (nonzero) digits is 112, while the sum is 16.
The square root of 2142070 is about 1463.5812242578. The cubic root of 2142070 is about 128.9074110762.
Adding to 2142070 its reverse (702412), we get a palindrome (2844482).
The spelling of 2142070 in words is "two million, one hundred forty-two thousand, seventy".
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