Base | Representation |
---|---|
bin | 10110111001111… |
… | …01000010100110 |
3 | 111101112200202012 |
4 | 23130331002212 |
5 | 343141430210 |
6 | 31022114222 |
7 | 4522105160 |
oct | 1334750246 |
9 | 441480665 |
10 | 192139430 |
11 | 9950421a |
12 | 5441b972 |
13 | 30a64492 |
14 | 1b737930 |
15 | 11d05305 |
hex | b73d0a6 |
192139430 has 32 divisors (see below), whose sum is σ = 399712320. Its totient is φ = 65134080.
The previous prime is 192139429. The next prime is 192139463. The reversal of 192139430 is 34931291.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9191 + ... + 21650.
It is an arithmetic number, because the mean of its divisors is an integer number (12491010).
Almost surely, 2192139430 is an apocalyptic number.
192139430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
192139430 is an abundant number, since it is smaller than the sum of its proper divisors (207572890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
192139430 is a wasteful number, since it uses less digits than its factorization.
192139430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30944.
The product of its (nonzero) digits is 5832, while the sum is 32.
The square root of 192139430 is about 13861.4367942144. The cubic root of 192139430 is about 577.0394421504.
The spelling of 192139430 in words is "one hundred ninety-two million, one hundred thirty-nine thousand, four hundred thirty".
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