Base | Representation |
---|---|
bin | 11101000001111… |
… | …010111110000000 |
3 | 1020221110100022120 |
4 | 131001322332000 |
5 | 1444140333234 |
6 | 120155004240 |
7 | 15032540163 |
oct | 3501727600 |
9 | 1227410276 |
10 | 487042944 |
11 | 22aa17633 |
12 | 117139680 |
13 | 79b995bb |
14 | 48981ada |
15 | 2cb59049 |
hex | 1d07af80 |
487042944 has 32 divisors (see below), whose sum is σ = 1293708840. Its totient is φ = 162347520.
The previous prime is 487042943. The next prime is 487042957. The reversal of 487042944 is 449240784.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (32).
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 487042896 and 487042905.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (487042943) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633787 + ... + 634554.
Almost surely, 2487042944 is an apocalyptic number.
It is an amenable number.
487042944 is an abundant number, since it is smaller than the sum of its proper divisors (806665896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487042944 is a wasteful number, since it uses less digits than its factorization.
487042944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1268358 (or 1268346 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 42.
The square root of 487042944 is about 22069.0494584611. The cubic root of 487042944 is about 786.7844210717.
The spelling of 487042944 in words is "four hundred eighty-seven million, forty-two thousand, nine hundred forty-four".
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