Base | Representation |
---|---|
bin | 10000011111100… |
… | …01000010101000 |
3 | 100122022221120020 |
4 | 20033301002220 |
5 | 240404211020 |
6 | 21421200440 |
7 | 3266650662 |
oct | 1017610250 |
9 | 318287506 |
10 | 138350760 |
11 | 71105a79 |
12 | 3a400120 |
13 | 22880772 |
14 | 14535532 |
15 | c22cc40 |
hex | 83f10a8 |
138350760 has 64 divisors (see below), whose sum is σ = 439473600. Its totient is φ = 34722816.
The previous prime is 138350753. The next prime is 138350783. The reversal of 138350760 is 67053831.
It is a happy number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 31870 + ... + 35949.
It is an arithmetic number, because the mean of its divisors is an integer number (6866775).
Almost surely, 2138350760 is an apocalyptic number.
138350760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
138350760 is an abundant number, since it is smaller than the sum of its proper divisors (301122840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
138350760 is a wasteful number, since it uses less digits than its factorization.
138350760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67850 (or 67846 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 33.
The square root of 138350760 is about 11762.2599869243. The cubic root of 138350760 is about 517.2023820223.
The spelling of 138350760 in words is "one hundred thirty-eight million, three hundred fifty thousand, seven hundred sixty".
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