Base | Representation |
---|---|
bin | 1000010111001… |
… | …00000100011101 |
3 | 11212222111020210 |
4 | 10023210010131 |
5 | 120423441224 |
6 | 10543203033 |
7 | 1511116230 |
oct | 413440435 |
9 | 155874223 |
10 | 70140189 |
11 | 366573a9 |
12 | 1b5a6479 |
13 | 116ba592 |
14 | 945b417 |
15 | 6257429 |
hex | 42e411d |
70140189 has 8 divisors (see below), whose sum is σ = 106880320. Its totient is φ = 40080096.
The previous prime is 70140173. The next prime is 70140199. The reversal of 70140189 is 98104107.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 70140189 - 24 = 70140173 is a prime.
It is a super-2 number, since 2×701401892 = 9839292225911442, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70140139) 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 7 ways as a sum of consecutive naturals, for example, 1669984 + ... + 1670025.
It is an arithmetic number, because the mean of its divisors is an integer number (13360040).
Almost surely, 270140189 is an apocalyptic number.
It is an amenable number.
70140189 is a deficient number, since it is larger than the sum of its proper divisors (36740131).
70140189 is a wasteful number, since it uses less digits than its factorization.
70140189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3340019.
The product of its (nonzero) digits is 2016, while the sum is 30.
The square root of 70140189 is about 8374.9739701088. The cubic root of 70140189 is about 412.4034697908.
The spelling of 70140189 in words is "seventy million, one hundred forty thousand, one hundred eighty-nine".
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