Base | Representation |
---|---|
bin | 11100101100011… |
… | …110011110111000 |
3 | 1020112212201210022 |
4 | 130230132132320 |
5 | 1441220434430 |
6 | 115434310012 |
7 | 14634004316 |
oct | 3454363670 |
9 | 1215781708 |
10 | 481421240 |
11 | 2278279a3 |
12 | 115288308 |
13 | 7897b851 |
14 | 47d1b0b6 |
15 | 2c3e84e5 |
hex | 1cb1e7b8 |
481421240 has 32 divisors (see below), whose sum is σ = 1140210000. Its totient is φ = 182433024.
The previous prime is 481421191. The next prime is 481421261. The reversal of 481421240 is 42124184.
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, 315965 + ... + 317484.
Almost surely, 2481421240 is an apocalyptic number.
481421240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
481421240 is an abundant number, since it is smaller than the sum of its proper divisors (658788760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
481421240 is a wasteful number, since it uses less digits than its factorization.
481421240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 633479 (or 633475 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 26.
The square root of 481421240 is about 21941.3135431769. The cubic root of 481421240 is about 783.7455399034.
The spelling of 481421240 in words is "four hundred eighty-one million, four hundred twenty-one thousand, two hundred forty".
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