Base | Representation |
---|---|
bin | 11100111011100… |
… | …010111101010000 |
3 | 1020211022102211200 |
4 | 130323202331100 |
5 | 1443223343403 |
6 | 120055111200 |
7 | 15012406632 |
oct | 3473427520 |
9 | 1224272750 |
10 | 485371728 |
11 | 229a85a66 |
12 | 116672500 |
13 | 79732a0a |
14 | 48668a52 |
15 | 2c928ca3 |
hex | 1cee2f50 |
485371728 has 30 divisors (see below), whose sum is σ = 1358367114. Its totient is φ = 161790528.
The previous prime is 485371727. The next prime is 485371751. The reversal of 485371728 is 827173584.
485371728 is a `hidden beast` number, since 48 + 537 + 1 + 72 + 8 = 666.
It can be written as a sum of positive squares in only one way, i.e., 287913024 + 197458704 = 16968^2 + 14052^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (485371723) 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, 1685175 + ... + 1685462.
Almost surely, 2485371728 is an apocalyptic number.
485371728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.
It is an amenable number.
485371728 is an abundant number, since it is smaller than the sum of its proper divisors (872995386).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
485371728 is a wasteful number, since it uses less digits than its factorization.
485371728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3370651 (or 3370642 counting only the distinct ones).
The product of its digits is 376320, while the sum is 45.
The square root of 485371728 is about 22031.1535785124. The cubic root of 485371728 is about 785.8834782497.
The spelling of 485371728 in words is "four hundred eighty-five million, three hundred seventy-one thousand, seven hundred twenty-eight".
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