Base | Representation |
---|---|
bin | 10001110110111… |
… | …11010001100000 |
3 | 101102220020212110 |
4 | 20323133101200 |
5 | 301322443240 |
6 | 22510555320 |
7 | 3466245420 |
oct | 1073372140 |
9 | 342806773 |
10 | 149812320 |
11 | 77624239 |
12 | 42208b40 |
13 | 25064658 |
14 | 15c7a480 |
15 | d243c80 |
hex | 8edf460 |
149812320 has 96 divisors (see below), whose sum is σ = 539336448. Its totient is φ = 34242048.
The previous prime is 149812303. The next prime is 149812337. The reversal of 149812320 is 23218941.
149812320 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (149812303) and next prime (149812337).
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 (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18934 + ... + 25653.
It is an arithmetic number, because the mean of its divisors is an integer number (5618088).
Almost surely, 2149812320 is an apocalyptic number.
149812320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
149812320 is an abundant number, since it is smaller than the sum of its proper divisors (389524128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149812320 is a wasteful number, since it uses less digits than its factorization.
149812320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44612 (or 44604 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 30.
The square root of 149812320 is about 12239.7843118251. The cubic root of 149812320 is about 531.1075923715.
The spelling of 149812320 in words is "one hundred forty-nine million, eight hundred twelve thousand, three hundred twenty".
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