Base | Representation |
---|---|
bin | 10001110011011… |
… | …10001110010110 |
3 | 101102000201200110 |
4 | 20321232032112 |
5 | 301213134040 |
6 | 22453023450 |
7 | 3462306420 |
oct | 1071561626 |
9 | 342021613 |
10 | 149349270 |
11 | 77338354 |
12 | 42024b86 |
13 | 24c31965 |
14 | 15b99810 |
15 | d1a1980 |
hex | 8e6e396 |
149349270 has 32 divisors (see below), whose sum is σ = 409644288. Its totient is φ = 34136928.
The previous prime is 149349257. The next prime is 149349271. The reversal of 149349270 is 72943941.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149349271) 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, 355384 + ... + 355803.
It is an arithmetic number, because the mean of its divisors is an integer number (12801384).
Almost surely, 2149349270 is an apocalyptic number.
149349270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
149349270 is an abundant number, since it is smaller than the sum of its proper divisors (260295018).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149349270 is a wasteful number, since it uses less digits than its factorization.
149349270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 711204.
The product of its (nonzero) digits is 54432, while the sum is 39.
The square root of 149349270 is about 12220.8538981529. The cubic root of 149349270 is about 530.5598332709.
The spelling of 149349270 in words is "one hundred forty-nine million, three hundred forty-nine thousand, two hundred seventy".
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