Base | Representation |
---|---|
bin | 11101000101011… |
… | …110010100000000 |
3 | 1021000012122200110 |
4 | 131011132110000 |
5 | 1444410133034 |
6 | 120230551320 |
7 | 15043466100 |
oct | 3505362400 |
9 | 1230178613 |
10 | 487974144 |
11 | 2304a3219 |
12 | 117508540 |
13 | 7a1343c8 |
14 | 48b45200 |
15 | 2cc8ede9 |
hex | 1d15e500 |
487974144 has 108 divisors (see below), whose sum is σ = 1510875744. Its totient is φ = 139410432.
The previous prime is 487974133. The next prime is 487974161. The reversal of 487974144 is 441479784.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 487974093 and 487974102.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31149 + ... + 44115.
Almost surely, 2487974144 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 487974144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (755437872).
487974144 is an abundant number, since it is smaller than the sum of its proper divisors (1022901600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487974144 is a wasteful number, since it uses less digits than its factorization.
487974144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13000 (or 12979 counting only the distinct ones).
The product of its digits is 903168, while the sum is 48.
The square root of 487974144 is about 22090.1368035601. The cubic root of 487974144 is about 787.2855317203.
The spelling of 487974144 in words is "four hundred eighty-seven million, nine hundred seventy-four thousand, one hundred forty-four".
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