Base | Representation |
---|---|
bin | 11100101000000… |
… | …001010000110010 |
3 | 1020110200101020100 |
4 | 130220001100302 |
5 | 1440421043403 |
6 | 115353253230 |
7 | 14621040312 |
oct | 3450012062 |
9 | 1213611210 |
10 | 480252978 |
11 | 2270aa197 |
12 | 114a04216 |
13 | 7865cb7a |
14 | 47ad5442 |
15 | 2c2672a3 |
hex | 1ca01432 |
480252978 has 12 divisors (see below), whose sum is σ = 1040548158. Its totient is φ = 160084320.
The previous prime is 480252977. The next prime is 480253001. The reversal of 480252978 is 879252084.
It can be written as a sum of positive squares in only one way, i.e., 287404209 + 192848769 = 16953^2 + 13887^2 .
It is not an unprimeable number, because it can be changed into a prime (480252973) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13340343 + ... + 13340378.
Almost surely, 2480252978 is an apocalyptic number.
480252978 is an abundant number, since it is smaller than the sum of its proper divisors (560295180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
480252978 is a wasteful number, since it uses less digits than its factorization.
480252978 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26680729 (or 26680726 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 45.
The square root of 480252978 is about 21914.6749462546. The cubic root of 480252978 is about 783.1110562128. Note that the first 3 decimals are identical.
The spelling of 480252978 in words is "four hundred eighty million, two hundred fifty-two thousand, nine hundred seventy-eight".
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