Base | Representation |
---|---|
bin | 10001000001100… |
… | …01000010101110 |
3 | 100221201100200002 |
4 | 20200301002232 |
5 | 243024312324 |
6 | 22100504302 |
7 | 3352561364 |
oct | 1040610256 |
9 | 327640602 |
10 | 142807214 |
11 | 7367a1a0 |
12 | 3b9ab092 |
13 | 23781014 |
14 | 14d75634 |
15 | c80d3ae |
hex | 88310ae |
142807214 has 16 divisors (see below), whose sum is σ = 239120640. Its totient is φ = 63402360.
The previous prime is 142807213. The next prime is 142807219. The reversal of 142807214 is 412708241.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142807213) 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, 74534 + ... + 76425.
It is an arithmetic number, because the mean of its divisors is an integer number (14945040).
Almost surely, 2142807214 is an apocalyptic number.
142807214 is a deficient number, since it is larger than the sum of its proper divisors (96313426).
142807214 is a wasteful number, since it uses less digits than its factorization.
142807214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 151015.
The product of its (nonzero) digits is 3584, while the sum is 29.
The square root of 142807214 is about 11950.1972368660. The cubic root of 142807214 is about 522.6970498276.
The spelling of 142807214 in words is "one hundred forty-two million, eight hundred seven thousand, two hundred fourteen".
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