Base | Representation |
---|---|
bin | 10001110110101… |
… | …11101011011110 |
3 | 101102211200012101 |
4 | 20323113223132 |
5 | 301320444324 |
6 | 22510155314 |
7 | 3466055632 |
oct | 1073275336 |
9 | 342750171 |
10 | 149781214 |
11 | 77602930 |
12 | 421b2b3a |
13 | 2505344b |
14 | 15c6cdc2 |
15 | d239944 |
hex | 8ed7ade |
149781214 has 8 divisors (see below), whose sum is σ = 245096568. Its totient is φ = 68082360.
The previous prime is 149781209. The next prime is 149781223. The reversal of 149781214 is 412187941.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3404097 + ... + 3404140.
It is an arithmetic number, because the mean of its divisors is an integer number (30637071).
Almost surely, 2149781214 is an apocalyptic number.
149781214 is a deficient number, since it is larger than the sum of its proper divisors (95315354).
149781214 is a wasteful number, since it uses less digits than its factorization.
149781214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6808250.
The product of its digits is 16128, while the sum is 37.
The square root of 149781214 is about 12238.5135535326. The cubic root of 149781214 is about 531.0708313176.
The spelling of 149781214 in words is "one hundred forty-nine million, seven hundred eighty-one thousand, two hundred fourteen".
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