Base | Representation |
---|---|
bin | 11101000110000… |
… | …111110100001100 |
3 | 1021000112021212121 |
4 | 131012013310030 |
5 | 1444431103030 |
6 | 120234342324 |
7 | 15045104521 |
oct | 3506076414 |
9 | 1230467777 |
10 | 488144140 |
11 | 2305a9a10 |
12 | 11758a9a4 |
13 | 7a1938b3 |
14 | 48b8b148 |
15 | 2ccc547a |
hex | 1d187d0c |
488144140 has 24 divisors (see below), whose sum is σ = 1118294352. Its totient is φ = 177506880.
The previous prime is 488144123. The next prime is 488144159. The reversal of 488144140 is 41441884.
It is a junction number, because it is equal to n+sod(n) for n = 488144096 and 488144105.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1109199 + ... + 1109638.
It is an arithmetic number, because the mean of its divisors is an integer number (46595598).
Almost surely, 2488144140 is an apocalyptic number.
It is an amenable number.
488144140 is an abundant number, since it is smaller than the sum of its proper divisors (630150212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
488144140 is a wasteful number, since it uses less digits than its factorization.
488144140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2218857 (or 2218855 counting only the distinct ones).
The product of its (nonzero) digits is 16384, while the sum is 34.
The square root of 488144140 is about 22093.9842491118. The cubic root of 488144140 is about 787.3769435669.
The spelling of 488144140 in words is "four hundred eighty-eight million, one hundred forty-four thousand, one hundred forty".
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