Base | Representation |
---|---|
bin | 11101010000110… |
… | …100100110000000 |
3 | 1021012210210102000 |
4 | 131100310212000 |
5 | 2001140331432 |
6 | 120414424000 |
7 | 15110666112 |
oct | 3520644600 |
9 | 1235723360 |
10 | 490948992 |
11 | 232145276 |
12 | 118502000 |
13 | 7a936481 |
14 | 492bb3b2 |
15 | 2d17b57c |
hex | 1d434980 |
490948992 has 64 divisors (see below), whose sum is σ = 1448991600. Its totient is φ = 163648512.
The previous prime is 490948979. The next prime is 490948993. The reversal of 490948992 is 299849094.
It is a tau number, because it is divible by the number of its divisors (64).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490948993) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67573 + ... + 74484.
Almost surely, 2490948992 is an apocalyptic number.
It is an amenable number.
490948992 is an abundant number, since it is smaller than the sum of its proper divisors (958042608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490948992 is a wasteful number, since it uses less digits than its factorization.
490948992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 142080 (or 142062 counting only the distinct ones).
The product of its (nonzero) digits is 1679616, while the sum is 54.
The square root of 490948992 is about 22157.3687968585. The cubic root of 490948992 is about 788.8821405875.
The spelling of 490948992 in words is "four hundred ninety million, nine hundred forty-eight thousand, nine hundred ninety-two".
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