Base | Representation |
---|---|
bin | 1000010111001… |
… | …01000010111000 |
3 | 11212222200201202 |
4 | 10023211002320 |
5 | 120424103214 |
6 | 10543233332 |
7 | 1511133665 |
oct | 413450270 |
9 | 155880652 |
10 | 70144184 |
11 | 3665a400 |
12 | 1b5a8848 |
13 | 116bc346 |
14 | 945ca6c |
15 | 62586de |
hex | 42e50b8 |
70144184 has 48 divisors (see below), whose sum is σ = 145650960. Its totient is φ = 31644800.
The previous prime is 70144169. The next prime is 70144187. The reversal of 70144184 is 48144107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70144187) 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 11 ways as a sum of consecutive naturals, for example, 225389 + ... + 225699.
It is an arithmetic number, because the mean of its divisors is an integer number (3034395).
Almost surely, 270144184 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70144184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72825480).
70144184 is an abundant number, since it is smaller than the sum of its proper divisors (75506776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70144184 is a wasteful number, since it uses less digits than its factorization.
70144184 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 572 (or 557 counting only the distinct ones).
The product of its (nonzero) digits is 3584, while the sum is 29.
The square root of 70144184 is about 8375.2124749167. The cubic root of 70144184 is about 412.4112994465.
The spelling of 70144184 in words is "seventy million, one hundred forty-four thousand, one hundred eighty-four".
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