Base | Representation |
---|---|
bin | 10001110011001… |
… | …00101100100000 |
3 | 101101221202010220 |
4 | 20321210230200 |
5 | 301210411430 |
6 | 22452123040 |
7 | 3462054552 |
oct | 1071445440 |
9 | 341852126 |
10 | 149310240 |
11 | 77310aa2 |
12 | 42006480 |
13 | 24c19c71 |
14 | 15b894d2 |
15 | d195110 |
hex | 8e64b20 |
149310240 has 96 divisors (see below), whose sum is σ = 473014080. Its totient is φ = 39588864.
The previous prime is 149310223. The next prime is 149310251. The reversal of 149310240 is 42013941.
149310240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 149310240.
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, 93771 + ... + 95349.
It is an arithmetic number, because the mean of its divisors is an integer number (4927230).
Almost surely, 2149310240 is an apocalyptic number.
149310240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 149310240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236507040).
149310240 is an abundant number, since it is smaller than the sum of its proper divisors (323703840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149310240 is a wasteful number, since it uses less digits than its factorization.
149310240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1794 (or 1786 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 149310240 is about 12219.2569332182. The cubic root of 149310240 is about 530.5136115197.
The spelling of 149310240 in words is "one hundred forty-nine million, three hundred ten thousand, two hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •