Base | Representation |
---|---|
bin | 11100101101100… |
… | …001111000000000 |
3 | 1020120101202110000 |
4 | 130231201320000 |
5 | 1441303303110 |
6 | 115444240000 |
7 | 14636234151 |
oct | 3455417000 |
9 | 1216352400 |
10 | 481697280 |
11 | 2279a6329 |
12 | 1153a0000 |
13 | 78a4739c |
14 | 47d8d928 |
15 | 2c4501c0 |
hex | 1cb61e00 |
481697280 has 400 divisors, whose sum is σ = 1818124704. Its totient is φ = 121651200.
The previous prime is 481697267. The next prime is 481697311. The reversal of 481697280 is 82796184.
481697280 is a `hidden beast` number, since 481 + 6 + 97 + 2 + 80 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4769230 + ... + 4769330.
Almost surely, 2481697280 is an apocalyptic number.
481697280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 481697280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (909062352).
481697280 is an abundant number, since it is smaller than the sum of its proper divisors (1336427424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
481697280 is a wasteful number, since it uses less digits than its factorization.
481697280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159 (or 134 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 45.
The square root of 481697280 is about 21947.6030581929. The cubic root of 481697280 is about 783.8953074142.
The spelling of 481697280 in words is "four hundred eighty-one million, six hundred ninety-seven thousand, two hundred eighty".
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