Base | Representation |
---|---|
bin | 11101010110101… |
… | …100101100001000 |
3 | 1021022201001120010 |
4 | 131112230230020 |
5 | 2002034130410 |
6 | 120511431520 |
7 | 15130043250 |
oct | 3526545410 |
9 | 1238631503 |
10 | 492489480 |
11 | 232aa76aa |
12 | 118b255a0 |
13 | 7b0556c2 |
14 | 4959c960 |
15 | 2d382c20 |
hex | 1d5acb08 |
492489480 has 128 divisors (see below), whose sum is σ = 1698796800. Its totient is φ = 111885312.
The previous prime is 492489451. The next prime is 492489493. The reversal of 492489480 is 84984294.
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, 143626 + ... + 147014.
It is an arithmetic number, because the mean of its divisors is an integer number (13271850).
Almost surely, 2492489480 is an apocalyptic number.
492489480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 492489480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (849398400).
492489480 is an abundant number, since it is smaller than the sum of its proper divisors (1206307320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
492489480 is a wasteful number, since it uses less digits than its factorization.
492489480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3583 (or 3579 counting only the distinct ones).
The product of its (nonzero) digits is 663552, while the sum is 48.
The square root of 492489480 is about 22192.1040011983. The cubic root of 492489480 is about 789.7063909183.
The spelling of 492489480 in words is "four hundred ninety-two million, four hundred eighty-nine thousand, four hundred eighty".
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