Base | Representation |
---|---|
bin | 11101001100001… |
… | …101101110111000 |
3 | 1021010112102200110 |
4 | 131030031232320 |
5 | 2000333204430 |
6 | 120332504320 |
7 | 15064506012 |
oct | 3514155670 |
9 | 1233472613 |
10 | 489741240 |
11 | 23149a92a |
12 | 11801b0a0 |
13 | 7a602821 |
14 | 490851b2 |
15 | 2cedd7b0 |
hex | 1d30dbb8 |
489741240 has 32 divisors (see below), whose sum is σ = 1469224080. Its totient is φ = 130597632.
The previous prime is 489741221. The next prime is 489741271. The reversal of 489741240 is 42147984.
It is a congruent number.
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, 2040469 + ... + 2040708.
Almost surely, 2489741240 is an apocalyptic number.
489741240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
489741240 is an abundant number, since it is smaller than the sum of its proper divisors (979482840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489741240 is a wasteful number, since it uses less digits than its factorization.
489741240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4081191 (or 4081187 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 39.
The square root of 489741240 is about 22130.0980567190. The cubic root of 489741240 is about 788.2347166839.
The spelling of 489741240 in words is "four hundred eighty-nine million, seven hundred forty-one thousand, two hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •