Base | Representation |
---|---|
bin | 11101001111101… |
… | …101101110111100 |
3 | 1021012021001021020 |
4 | 131033231232330 |
5 | 2001102034443 |
6 | 120404304140 |
7 | 15105346656 |
oct | 3517555674 |
9 | 1235231236 |
10 | 490658748 |
11 | 231a671a8 |
12 | 1183a2050 |
13 | 7a864328 |
14 | 492436d6 |
15 | 2d120583 |
hex | 1d3edbbc |
490658748 has 12 divisors (see below), whose sum is σ = 1144870440. Its totient is φ = 163552912.
The previous prime is 490658719. The next prime is 490658771. The reversal of 490658748 is 847856094.
It is a tau number, because it is divible by the number of its divisors (12).
It is a self number, because there is not a number n which added to its sum of digits gives 490658748.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20444103 + ... + 20444126.
It is an arithmetic number, because the mean of its divisors is an integer number (95405870).
Almost surely, 2490658748 is an apocalyptic number.
It is an amenable number.
490658748 is an abundant number, since it is smaller than the sum of its proper divisors (654211692).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490658748 is a wasteful number, since it uses less digits than its factorization.
490658748 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40888236 (or 40888234 counting only the distinct ones).
The product of its (nonzero) digits is 1935360, while the sum is 51.
The square root of 490658748 is about 22150.8182241650. The cubic root of 490658748 is about 788.7266502699.
The spelling of 490658748 in words is "four hundred ninety million, six hundred fifty-eight thousand, seven hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •