Base | Representation |
---|---|
bin | 10111001100000… |
… | …11011100010101 |
3 | 111120000220001202 |
4 | 23212003130111 |
5 | 344244244244 |
6 | 31145202245 |
7 | 4551302063 |
oct | 1346033425 |
9 | 446026052 |
10 | 194524949 |
11 | 9a893523 |
12 | 55190385 |
13 | 313bb228 |
14 | 1bb99033 |
15 | 1212704e |
hex | b983715 |
194524949 has 4 divisors (see below), whose sum is σ = 194599980. Its totient is φ = 194449920.
The previous prime is 194524921. The next prime is 194524973. The reversal of 194524949 is 949425491.
194524949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 949425491 = 7 ⋅135632213.
It can be written as a sum of positive squares in 2 ways, for example, as 82482724 + 112042225 = 9082^2 + 10585^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-194524949 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (194524549) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33482 + ... + 38859.
It is an arithmetic number, because the mean of its divisors is an integer number (48649995).
Almost surely, 2194524949 is an apocalyptic number.
It is an amenable number.
194524949 is a deficient number, since it is larger than the sum of its proper divisors (75031).
194524949 is an equidigital number, since it uses as much as digits as its factorization.
194524949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75030.
The product of its digits is 466560, while the sum is 47.
The square root of 194524949 is about 13947.2201172850. The cubic root of 194524949 is about 579.4177162533.
The spelling of 194524949 in words is "one hundred ninety-four million, five hundred twenty-four thousand, nine hundred forty-nine".
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