Base | Representation |
---|---|
bin | 10000101011001… |
… | …11110100011000 |
3 | 100202012221022100 |
4 | 20111213310120 |
5 | 241302321343 |
6 | 21514123400 |
7 | 3316003314 |
oct | 1025476430 |
9 | 322187270 |
10 | 139885848 |
11 | 71a64343 |
12 | 3aa20560 |
13 | 22c9a3bb |
14 | 14814b44 |
15 | c4329d3 |
hex | 8567d18 |
139885848 has 24 divisors (see below), whose sum is σ = 378857700. Its totient is φ = 46628592.
The previous prime is 139885813. The next prime is 139885849. The reversal of 139885848 is 848588931.
It is a tau number, because it is divible by the number of its divisors (24).
It is a junction number, because it is equal to n+sod(n) for n = 139885794 and 139885803.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (139885849) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 971358 + ... + 971501.
Almost surely, 2139885848 is an apocalyptic number.
139885848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
139885848 is an abundant number, since it is smaller than the sum of its proper divisors (238971852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139885848 is a wasteful number, since it uses less digits than its factorization.
139885848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1942871 (or 1942864 counting only the distinct ones).
The product of its digits is 2211840, while the sum is 54.
The square root of 139885848 is about 11827.3347800762. The cubic root of 139885848 is about 519.1082447663.
The spelling of 139885848 in words is "one hundred thirty-nine million, eight hundred eighty-five thousand, eight hundred forty-eight".
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