Base | Representation |
---|---|
bin | 10001000001111… |
… | …01000011011101 |
3 | 100221210212011021 |
4 | 20200331003131 |
5 | 243032401123 |
6 | 22101524141 |
7 | 3353155000 |
oct | 1040750335 |
9 | 327725137 |
10 | 142856413 |
11 | 73703157 |
12 | 3ba13651 |
13 | 2379a52b |
14 | 14d89537 |
15 | c81cc5d |
hex | 883d0dd |
142856413 has 8 divisors (see below), whose sum is σ = 166596800. Its totient is φ = 122448060.
The previous prime is 142856387. The next prime is 142856431. The reversal of 142856413 is 314658241.
It is not a de Polignac number, because 142856413 - 225 = 109301981 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142856113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207903 + ... + 208588.
It is an arithmetic number, because the mean of its divisors is an integer number (20824600).
Almost surely, 2142856413 is an apocalyptic number.
It is an amenable number.
142856413 is a deficient number, since it is larger than the sum of its proper divisors (23740387).
142856413 is an frugal number, since it uses more digits than its factorization.
142856413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 416512 (or 416498 counting only the distinct ones).
The product of its digits is 23040, while the sum is 34.
The square root of 142856413 is about 11952.2555611901. The cubic root of 142856413 is about 522.7570683164.
The spelling of 142856413 in words is "one hundred forty-two million, eight hundred fifty-six thousand, four hundred thirteen".
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