Base | Representation |
---|---|
bin | 10001110010000… |
… | …00000100011101 |
3 | 101101200010100122 |
4 | 20321000010131 |
5 | 301141111341 |
6 | 22445004325 |
7 | 3460561310 |
oct | 1071000435 |
9 | 341603318 |
10 | 149160221 |
11 | 77219311 |
12 | 41b536a5 |
13 | 24b968b2 |
14 | 15b4a977 |
15 | d16594b |
hex | 8e4011d |
149160221 has 8 divisors (see below), whose sum is σ = 177880704. Its totient is φ = 122292720.
The previous prime is 149160217. The next prime is 149160223. The reversal of 149160221 is 122061941.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 149160221 - 22 = 149160217 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149160223) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463070 + ... + 463391.
It is an arithmetic number, because the mean of its divisors is an integer number (22235088).
Almost surely, 2149160221 is an apocalyptic number.
It is an amenable number.
149160221 is a deficient number, since it is larger than the sum of its proper divisors (28720483).
149160221 is an equidigital number, since it uses as much as digits as its factorization.
149160221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 926491.
The product of its (nonzero) digits is 864, while the sum is 26.
The square root of 149160221 is about 12213.1167602705. The cubic root of 149160221 is about 530.3358746782.
The spelling of 149160221 in words is "one hundred forty-nine million, one hundred sixty thousand, two hundred twenty-one".
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