Base | Representation |
---|---|
bin | 10001110110101… |
… | …11011101100000 |
3 | 101102211121222021 |
4 | 20323113131200 |
5 | 301320432240 |
6 | 22510151224 |
7 | 3466053214 |
oct | 1073273540 |
9 | 342747867 |
10 | 149780320 |
11 | 77602198 |
12 | 421b2514 |
13 | 25052c11 |
14 | 15c6c944 |
15 | d23954a |
hex | 8ed7760 |
149780320 has 24 divisors (see below), whose sum is σ = 353856384. Its totient is φ = 59912064.
The previous prime is 149780311. The next prime is 149780321. The reversal of 149780320 is 23087941.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149780321) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467904 + ... + 468223.
It is an arithmetic number, because the mean of its divisors is an integer number (14744016).
Almost surely, 2149780320 is an apocalyptic number.
149780320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
149780320 is an abundant number, since it is smaller than the sum of its proper divisors (204076064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149780320 is an equidigital number, since it uses as much as digits as its factorization.
149780320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 936142 (or 936134 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 149780320 is about 12238.4770294347. The cubic root of 149780320 is about 531.0697747137.
The spelling of 149780320 in words is "one hundred forty-nine million, seven hundred eighty thousand, three hundred twenty".
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