Base | Representation |
---|---|
bin | 11100111011101… |
… | …000001110000000 |
3 | 1020211100112101220 |
4 | 130323220032000 |
5 | 1443230041110 |
6 | 120055355040 |
7 | 15012526521 |
oct | 3473501600 |
9 | 1224315356 |
10 | 485393280 |
11 | 229aa0179 |
12 | 116682a80 |
13 | 7973c778 |
14 | 48672848 |
15 | 2c930370 |
hex | 1cee8380 |
485393280 has 128 divisors (see below), whose sum is σ = 1555092000. Its totient is φ = 128778240.
The previous prime is 485393267. The next prime is 485393281. The reversal of 485393280 is 82393584.
It is a tau number, because it is divible by the number of its divisors (128).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (485393281) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462196 + ... + 463244.
Almost surely, 2485393280 is an apocalyptic number.
485393280 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 485393280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (777546000).
485393280 is an abundant number, since it is smaller than the sum of its proper divisors (1069698720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
485393280 is a wasteful number, since it uses less digits than its factorization.
485393280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1312 (or 1300 counting only the distinct ones).
The product of its (nonzero) digits is 207360, while the sum is 42.
The square root of 485393280 is about 22031.6426986278. The cubic root of 485393280 is about 785.8951099600.
The spelling of 485393280 in words is "four hundred eighty-five million, three hundred ninety-three thousand, two hundred eighty".
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