Base | Representation |
---|---|
bin | 11101001100001… |
… | …110100110100001 |
3 | 1021010112121120100 |
4 | 131030032212201 |
5 | 2000333313201 |
6 | 120332533013 |
7 | 15064522260 |
oct | 3514164641 |
9 | 1233477510 |
10 | 489744801 |
11 | 2314a2577 |
12 | 118021169 |
13 | 7a604330 |
14 | 490865d7 |
15 | 2cede886 |
hex | 1d30e9a1 |
489744801 has 48 divisors (see below), whose sum is σ = 874147456. Its totient is φ = 257292288.
The previous prime is 489744799. The next prime is 489744803. The reversal of 489744801 is 108447984.
It is an interprime number because it is at equal distance from previous prime (489744799) and next prime (489744803).
It is not a de Polignac number, because 489744801 - 21 = 489744799 is a prime.
It is not an unprimeable number, because it can be changed into a prime (489744803) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 230721 + ... + 232833.
Almost surely, 2489744801 is an apocalyptic number.
It is an amenable number.
489744801 is a deficient number, since it is larger than the sum of its proper divisors (384402655).
489744801 is a wasteful number, since it uses less digits than its factorization.
489744801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2422 (or 2419 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 45.
The square root of 489744801 is about 22130.1785126103. The cubic root of 489744801 is about 788.2366271466.
It can be divided in two parts, 489744 and 801, that added together give a triangular number (490545 = T990).
The spelling of 489744801 in words is "four hundred eighty-nine million, seven hundred forty-four thousand, eight hundred one".
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