Base | Representation |
---|---|
bin | 10001000000101… |
… | …11101001010110 |
3 | 100221112001222100 |
4 | 20200113221112 |
5 | 243013000230 |
6 | 22054342530 |
7 | 3351646200 |
oct | 1040275126 |
9 | 327461870 |
10 | 142703190 |
11 | 73609023 |
12 | 3b95aa46 |
13 | 23745876 |
14 | 14d49770 |
15 | c7dc660 |
hex | 8817a56 |
142703190 has 72 divisors (see below), whose sum is σ = 431617680. Its totient is φ = 32616864.
The previous prime is 142703177. The next prime is 142703213. The reversal of 142703190 is 91307241.
142703190 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1427031902 = 40728400872352200, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11770 + ... + 20589.
It is an arithmetic number, because the mean of its divisors is an integer number (5994690).
Almost surely, 2142703190 is an apocalyptic number.
142703190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142703190 is an abundant number, since it is smaller than the sum of its proper divisors (288914490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142703190 is a wasteful number, since it uses less digits than its factorization.
142703190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32386 (or 32376 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 142703190 is about 11945.8440471990. The cubic root of 142703190 is about 522.5701042205.
The spelling of 142703190 in words is "one hundred forty-two million, seven hundred three thousand, one hundred ninety".
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