Base | Representation |
---|---|
bin | 10001000010000… |
… | …00101110000101 |
3 | 100221211121202102 |
4 | 20201000232011 |
5 | 243033341204 |
6 | 22102121445 |
7 | 3353246531 |
oct | 1041005605 |
9 | 327747672 |
10 | 142871429 |
11 | 73713468 |
12 | 3ba20285 |
13 | 237a430c |
14 | 14d90bc1 |
15 | c82241e |
hex | 8840b85 |
142871429 has 16 divisors (see below), whose sum is σ = 152953920. Its totient is φ = 133203840.
The previous prime is 142871419. The next prime is 142871441. The reversal of 142871429 is 924178241.
It is a happy number.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-142871429 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 142871392 and 142871401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142871419) 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, 126662 + ... + 127784.
It is an arithmetic number, because the mean of its divisors is an integer number (9559620).
Almost surely, 2142871429 is an apocalyptic number.
It is an amenable number.
142871429 is a deficient number, since it is larger than the sum of its proper divisors (10082491).
142871429 is a wasteful number, since it uses less digits than its factorization.
142871429 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1300.
The product of its digits is 32256, while the sum is 38.
The square root of 142871429 is about 11952.8837106365. The cubic root of 142871429 is about 522.7753837819.
The spelling of 142871429 in words is "one hundred forty-two million, eight hundred seventy-one thousand, four hundred twenty-nine".
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