Base | Representation |
---|---|
bin | 10000100101000… |
… | …00110111011101 |
3 | 100200200112110121 |
4 | 20102200313131 |
5 | 241100232231 |
6 | 21444434541 |
7 | 3306040432 |
oct | 1022406735 |
9 | 320615417 |
10 | 139070941 |
11 | 71558069 |
12 | 3a6a8a51 |
13 | 22a734c9 |
14 | 14681b89 |
15 | c321311 |
hex | 84a0ddd |
139070941 has 4 divisors (see below), whose sum is σ = 139096384. Its totient is φ = 139045500.
The previous prime is 139070933. The next prime is 139070947. The reversal of 139070941 is 149070931.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 139070941 - 23 = 139070933 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 139070897 and 139070906.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (139070947) 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 3 ways as a sum of consecutive naturals, for example, 795 + ... + 16696.
It is an arithmetic number, because the mean of its divisors is an integer number (34774096).
Almost surely, 2139070941 is an apocalyptic number.
It is an amenable number.
139070941 is a deficient number, since it is larger than the sum of its proper divisors (25443).
139070941 is an equidigital number, since it uses as much as digits as its factorization.
139070941 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25442.
The product of its (nonzero) digits is 6804, while the sum is 34.
The square root of 139070941 is about 11792.8343073241. The cubic root of 139070941 is about 518.0982568289.
The spelling of 139070941 in words is "one hundred thirty-nine million, seventy thousand, nine hundred forty-one".
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