Base | Representation |
---|---|
bin | 10000101010100… |
… | …00010110111000 |
3 | 100202001001111020 |
4 | 20111100112320 |
5 | 241241233002 |
6 | 21512102440 |
7 | 3315123204 |
oct | 1025202670 |
9 | 322031436 |
10 | 139789752 |
11 | 719a9123 |
12 | 3a994a20 |
13 | 22c6573b |
14 | 147cbb04 |
15 | c4142bc |
hex | 85505b8 |
139789752 has 16 divisors (see below), whose sum is σ = 349474440. Its totient is φ = 46596576.
The previous prime is 139789751. The next prime is 139789763. The reversal of 139789752 is 257987931.
It is a junction number, because it is equal to n+sod(n) for n = 139789695 and 139789704.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (139789751) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2912263 + ... + 2912310.
Almost surely, 2139789752 is an apocalyptic number.
139789752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
139789752 is an abundant number, since it is smaller than the sum of its proper divisors (209684688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139789752 is a wasteful number, since it uses less digits than its factorization.
139789752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5824582 (or 5824578 counting only the distinct ones).
The product of its digits is 952560, while the sum is 51.
The square root of 139789752 is about 11823.2716284453. The cubic root of 139789752 is about 518.9893486478.
The spelling of 139789752 in words is "one hundred thirty-nine million, seven hundred eighty-nine thousand, seven hundred fifty-two".
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