Base | Representation |
---|---|
bin | 10000100111011… |
… | …01000110111110 |
3 | 100201021101211212 |
4 | 20103231012332 |
5 | 241140230410 |
6 | 21455244422 |
7 | 3311511050 |
oct | 1023550676 |
9 | 321241755 |
10 | 139383230 |
11 | 71750758 |
12 | 3a819712 |
13 | 22b526ac |
14 | 147238d0 |
15 | c383b05 |
hex | 84ed1be |
139383230 has 16 divisors (see below), whose sum is σ = 286731360. Its totient is φ = 47788512.
The previous prime is 139383217. The next prime is 139383239. The reversal of 139383230 is 32383931.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (139383239) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995525 + ... + 995664.
It is an arithmetic number, because the mean of its divisors is an integer number (17920710).
Almost surely, 2139383230 is an apocalyptic number.
139383230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
139383230 is an abundant number, since it is smaller than the sum of its proper divisors (147348130).
139383230 is a wasteful number, since it uses less digits than its factorization.
139383230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1991203.
The product of its (nonzero) digits is 11664, while the sum is 32.
The square root of 139383230 is about 11806.0675078537. The cubic root of 139383230 is about 518.4857699202.
The spelling of 139383230 in words is "one hundred thirty-nine million, three hundred eighty-three thousand, two hundred thirty".
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