Base | Representation |
---|---|
bin | 11101000010001… |
… | …011100101101100 |
3 | 1020221120210200220 |
4 | 131002023211230 |
5 | 1444200023040 |
6 | 120200251340 |
7 | 15033242514 |
oct | 3502134554 |
9 | 1227523626 |
10 | 487111020 |
11 | 22aa637a0 |
12 | 117170b50 |
13 | 79bc1596 |
14 | 4899c844 |
15 | 2cb6e2d0 |
hex | 1d08b96c |
487111020 has 96 divisors (see below), whose sum is σ = 1552642560. Its totient is φ = 112949760.
The previous prime is 487111019. The next prime is 487111033. The reversal of 487111020 is 20111784.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 865 + ... + 31224.
It is an arithmetic number, because the mean of its divisors is an integer number (16173360).
Almost surely, 2487111020 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 487111020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (776321280).
487111020 is an abundant number, since it is smaller than the sum of its proper divisors (1065531540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487111020 is a wasteful number, since it uses less digits than its factorization.
487111020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32135 (or 32133 counting only the distinct ones).
The product of its (nonzero) digits is 448, while the sum is 24.
The square root of 487111020 is about 22070.5917455785. The cubic root of 487111020 is about 786.8210767312.
The spelling of 487111020 in words is "four hundred eighty-seven million, one hundred eleven thousand, twenty".
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