Base | Representation |
---|---|
bin | 11101001101111… |
… | …101000100000100 |
3 | 1021011101121012210 |
4 | 131031331010010 |
5 | 2000442303002 |
6 | 120350343420 |
7 | 15101415336 |
oct | 3515750404 |
9 | 1234347183 |
10 | 490197252 |
11 | 2317814a6 |
12 | 1181bab70 |
13 | 7a73225c |
14 | 49163456 |
15 | 2d07d96c |
hex | 1d37d104 |
490197252 has 48 divisors (see below), whose sum is σ = 1213793280. Its totient is φ = 153640608.
The previous prime is 490197247. The next prime is 490197269. The reversal of 490197252 is 252791094.
It is a self number, because there is not a number n which added to its sum of digits gives 490197252.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1233 + ... + 31335.
It is an arithmetic number, because the mean of its divisors is an integer number (25287360).
Almost surely, 2490197252 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 490197252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606896640).
490197252 is an abundant number, since it is smaller than the sum of its proper divisors (723596028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490197252 is a wasteful number, since it uses less digits than its factorization.
490197252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30192 (or 30190 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 39.
The square root of 490197252 is about 22140.3986413976. The cubic root of 490197252 is about 788.4792900456.
The spelling of 490197252 in words is "four hundred ninety million, one hundred ninety-seven thousand, two hundred fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •