Base | Representation |
---|---|
bin | 11100010010111… |
… | …100011001010100 |
3 | 1020002021200102021 |
4 | 130102330121110 |
5 | 1433012244040 |
6 | 115035022524 |
7 | 14523056464 |
oct | 3422743124 |
9 | 1202250367 |
10 | 474728020 |
11 | 223a76208 |
12 | 112b9aa44 |
13 | 77477170 |
14 | 47097ba4 |
15 | 2ba2524a |
hex | 1c4bc654 |
474728020 has 48 divisors (see below), whose sum is σ = 1076413968. Its totient is φ = 174827520.
The previous prime is 474728011. The next prime is 474728021. The reversal of 474728020 is 20827474.
It can be written as a sum of positive squares in 8 ways, for example, as 320123664 + 154604356 = 17892^2 + 12434^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (474728021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107292 + ... + 111628.
It is an arithmetic number, because the mean of its divisors is an integer number (22425291).
Almost surely, 2474728020 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 474728020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538206984).
474728020 is an abundant number, since it is smaller than the sum of its proper divisors (601685948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
474728020 is a wasteful number, since it uses less digits than its factorization.
474728020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4780 (or 4778 counting only the distinct ones).
The product of its (nonzero) digits is 25088, while the sum is 34.
The square root of 474728020 is about 21788.2541751284. The cubic root of 474728020 is about 780.0964268253.
The spelling of 474728020 in words is "four hundred seventy-four million, seven hundred twenty-eight thousand, twenty".
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