Base | Representation |
---|---|
bin | 11000001101110… |
… | …11111011110100 |
3 | 112011020211110222 |
4 | 30012323323310 |
5 | 404001114243 |
6 | 32054033512 |
7 | 5014463216 |
oct | 1406737364 |
9 | 464224428 |
10 | 203144948 |
11 | a4740896 |
12 | 58048898 |
13 | 33118916 |
14 | 1cda05b6 |
15 | 12c7b168 |
hex | c1bbef4 |
203144948 has 24 divisors (see below), whose sum is σ = 366285192. Its totient is φ = 98509824.
The previous prime is 203144927. The next prime is 203144989. The reversal of 203144948 is 849441302.
It can be written as a sum of positive squares in 4 ways, for example, as 14961424 + 188183524 = 3868^2 + 13718^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47840 + ... + 51912.
It is an arithmetic number, because the mean of its divisors is an integer number (15261883).
Almost surely, 2203144948 is an apocalyptic number.
It is an amenable number.
203144948 is a deficient number, since it is larger than the sum of its proper divisors (163140244).
203144948 is a wasteful number, since it uses less digits than its factorization.
203144948 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4451 (or 4449 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 35.
The square root of 203144948 is about 14252.8926186932. The cubic root of 203144948 is about 587.8529141411.
The spelling of 203144948 in words is "two hundred three million, one hundred forty-four thousand, nine hundred forty-eight".
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