Base | Representation |
---|---|
bin | 11101000010101… |
… | …101010011000010 |
3 | 1020221211211002121 |
4 | 131002231103002 |
5 | 1444213432330 |
6 | 120203234454 |
7 | 15034356166 |
oct | 3502552302 |
9 | 1227754077 |
10 | 487249090 |
11 | 2300484a9 |
12 | 117218a2a |
13 | 79c3c393 |
14 | 489d6ca6 |
15 | 2cb9a17a |
hex | 1d0ad4c2 |
487249090 has 32 divisors (see below), whose sum is σ = 902799360. Its totient is φ = 189259200.
The previous prime is 487249067. The next prime is 487249109. The reversal of 487249090 is 90942784.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43135 + ... + 53245.
It is an arithmetic number, because the mean of its divisors is an integer number (28212480).
Almost surely, 2487249090 is an apocalyptic number.
487249090 is a deficient number, since it is larger than the sum of its proper divisors (415550270).
487249090 is a wasteful number, since it uses less digits than its factorization.
487249090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10258.
The product of its (nonzero) digits is 145152, while the sum is 43.
The square root of 487249090 is about 22073.7194419065. The cubic root of 487249090 is about 786.8954103150.
The spelling of 487249090 in words is "four hundred eighty-seven million, two hundred forty-nine thousand, ninety".
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