Base | Representation |
---|---|
bin | 11101010000000… |
… | …010100011011100 |
3 | 1021012102101020202 |
4 | 131100002203130 |
5 | 2001112302103 |
6 | 120410203032 |
7 | 15106153415 |
oct | 3520024334 |
9 | 1235371222 |
10 | 490744028 |
11 | 232015285 |
12 | 118423478 |
13 | 7a8940a8 |
14 | 4926680c |
15 | 2d13a988 |
hex | 1d4028dc |
490744028 has 12 divisors (see below), whose sum is σ = 861047040. Its totient is φ = 244730592.
The previous prime is 490744019. The next prime is 490744039. The reversal of 490744028 is 820447094.
It is a super-3 number, since 3×4907440283 (a number of 27 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 490743982 and 490744000.
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, 158633 + ... + 161696.
It is an arithmetic number, because the mean of its divisors is an integer number (71753920).
Almost surely, 2490744028 is an apocalyptic number.
It is an amenable number.
490744028 is a deficient number, since it is larger than the sum of its proper divisors (370303012).
490744028 is a wasteful number, since it uses less digits than its factorization.
490744028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 320716 (or 320714 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 38.
The square root of 490744028 is about 22152.7431258524. The cubic root of 490744028 is about 788.7723430672.
The spelling of 490744028 in words is "four hundred ninety million, seven hundred forty-four thousand, twenty-eight".
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