Base | Representation |
---|---|
bin | 11101011100011… |
… | …000011111000110 |
3 | 1021102111202121101 |
4 | 131130120133012 |
5 | 2002424321330 |
6 | 121003410314 |
7 | 15145520506 |
oct | 3534303706 |
9 | 1242452541 |
10 | 493979590 |
11 | 2339251a5 |
12 | 11952399a |
13 | 7b457a20 |
14 | 49869a06 |
15 | 2d5794ca |
hex | 1d7187c6 |
493979590 has 32 divisors (see below), whose sum is σ = 964484640. Its totient is φ = 181073664.
The previous prime is 493979573. The next prime is 493979597. The reversal of 493979590 is 95979394.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (493979597) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4402 + ... + 31738.
It is an arithmetic number, because the mean of its divisors is an integer number (30140145).
Almost surely, 2493979590 is an apocalyptic number.
493979590 is a deficient number, since it is larger than the sum of its proper divisors (470505050).
493979590 is a wasteful number, since it uses less digits than its factorization.
493979590 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27496.
The product of its (nonzero) digits is 2755620, while the sum is 55.
The square root of 493979590 is about 22225.6516214936. The cubic root of 493979590 is about 790.5020522884.
The spelling of 493979590 in words is "four hundred ninety-three million, nine hundred seventy-nine thousand, five hundred ninety".
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