Base | Representation |
---|---|
bin | 11101000100110… |
… | …100010000000100 |
3 | 1020222212220100120 |
4 | 131010310100010 |
5 | 1444334124420 |
6 | 120223141540 |
7 | 15042150600 |
oct | 3504642004 |
9 | 1228786316 |
10 | 487801860 |
11 | 230395837 |
12 | 1174448b0 |
13 | 7a0a3b70 |
14 | 48adc500 |
15 | 2cc58d40 |
hex | 1d134404 |
487801860 has 144 divisors (see below), whose sum is σ = 1711192896. Its totient is φ = 102912768.
The previous prime is 487801807. The next prime is 487801883. The reversal of 487801860 is 68108784.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31839 + ... + 44601.
It is an arithmetic number, because the mean of its divisors is an integer number (11883284).
Almost surely, 2487801860 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 487801860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (855596448).
487801860 is an abundant number, since it is smaller than the sum of its proper divisors (1223391036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487801860 is a wasteful number, since it uses less digits than its factorization.
487801860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12802 (or 12793 counting only the distinct ones).
The product of its (nonzero) digits is 86016, while the sum is 42.
The square root of 487801860 is about 22086.2368908784. The cubic root of 487801860 is about 787.1928678856.
The spelling of 487801860 in words is "four hundred eighty-seven million, eight hundred one thousand, eight hundred sixty".
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