Base | Representation |
---|---|
bin | 10001110010001… |
… | …00010000100100 |
3 | 101101200222220011 |
4 | 20321010100210 |
5 | 301142134010 |
6 | 22445220004 |
7 | 3460662322 |
oct | 1071042044 |
9 | 341628804 |
10 | 149177380 |
11 | 772301a0 |
12 | 41b61604 |
13 | 24ba1651 |
14 | 15b52d12 |
15 | d16aa8a |
hex | 8e44424 |
149177380 has 48 divisors (see below), whose sum is σ = 361863936. Its totient is φ = 51054080.
The previous prime is 149177339. The next prime is 149177383. The reversal of 149177380 is 83771941.
149177380 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (149177383) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16204 + ... + 23683.
It is an arithmetic number, because the mean of its divisors is an integer number (7538832).
Almost surely, 2149177380 is an apocalyptic number.
149177380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
149177380 is an abundant number, since it is smaller than the sum of its proper divisors (212686556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149177380 is a wasteful number, since it uses less digits than its factorization.
149177380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39924 (or 39922 counting only the distinct ones).
The product of its (nonzero) digits is 42336, while the sum is 40.
The square root of 149177380 is about 12213.8192225037. The cubic root of 149177380 is about 530.3562100471.
The spelling of 149177380 in words is "one hundred forty-nine million, one hundred seventy-seven thousand, three hundred eighty".
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