Base | Representation |
---|---|
bin | 11101011111011… |
… | …101011011000000 |
3 | 1021111000202010022 |
4 | 131133131123000 |
5 | 2003131124430 |
6 | 121032553012 |
7 | 15155420324 |
oct | 3537353300 |
9 | 1244022108 |
10 | 494786240 |
11 | 234326253 |
12 | 119852768 |
13 | 7b67ac30 |
14 | 499d9984 |
15 | 2d6884e5 |
hex | 1d7dd6c0 |
494786240 has 112 divisors (see below), whose sum is σ = 1285024608. Its totient is φ = 180363264.
The previous prime is 494786231. The next prime is 494786273. The reversal of 494786240 is 42687494.
It is a junction number, because it is equal to n+sod(n) for n = 494786191 and 494786200.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344564 + ... + 345996.
It is an arithmetic number, because the mean of its divisors is an integer number (11473434).
Almost surely, 2494786240 is an apocalyptic number.
494786240 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 494786240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (642512304).
494786240 is an abundant number, since it is smaller than the sum of its proper divisors (790238368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
494786240 is a wasteful number, since it uses less digits than its factorization.
494786240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1546 (or 1536 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 44.
The square root of 494786240 is about 22243.7910437947. The cubic root of 494786240 is about 790.9321049445.
The spelling of 494786240 in words is "four hundred ninety-four million, seven hundred eighty-six thousand, two hundred forty".
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