Base | Representation |
---|---|
bin | 10000111011100… |
… | …11010111011110 |
3 | 100220020212221120 |
4 | 20131303113132 |
5 | 242324432202 |
6 | 22032111410 |
7 | 3343144341 |
oct | 1035632736 |
9 | 326225846 |
10 | 142030302 |
11 | 73199517 |
12 | 3b695566 |
13 | 2356b4cb |
14 | 14c12458 |
15 | c7080bc |
hex | 87735de |
142030302 has 32 divisors (see below), whose sum is σ = 288427392. Its totient is φ = 46621344.
The previous prime is 142030283. The next prime is 142030303. The reversal of 142030302 is 203030241.
It is a super-2 number, since 2×1420303022 = 40345213372422408, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142030303) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125913 + ... + 127035.
It is an arithmetic number, because the mean of its divisors is an integer number (9013356).
Almost surely, 2142030302 is an apocalyptic number.
142030302 is an abundant number, since it is smaller than the sum of its proper divisors (146397090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142030302 is a wasteful number, since it uses less digits than its factorization.
142030302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1432.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 142030302 is about 11917.6466636664. The cubic root of 142030302 is about 521.7474520044.
Adding to 142030302 its reverse (203030241), we get a palindrome (345060543).
The spelling of 142030302 in words is "one hundred forty-two million, thirty thousand, three hundred two".
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