Base | Representation |
---|---|
bin | 11101011100000… |
… | …110010101011011 |
3 | 1021102100222121210 |
4 | 131130012111123 |
5 | 2002414431433 |
6 | 121002034203 |
7 | 15145060656 |
oct | 3534062533 |
9 | 1242328553 |
10 | 493905243 |
11 | 233884357 |
12 | 1194a8963 |
13 | 7b42cc30 |
14 | 4984a89d |
15 | 2d562463 |
hex | 1d70655b |
493905243 has 32 divisors (see below), whose sum is σ = 742049280. Its totient is φ = 289935360.
The previous prime is 493905241. The next prime is 493905253. The reversal of 493905243 is 342509394.
It is not a de Polignac number, because 493905243 - 21 = 493905241 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is not an unprimeable number, because it can be changed into a prime (493905241) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 574548 + ... + 575406.
It is an arithmetic number, because the mean of its divisors is an integer number (23189040).
Almost surely, 2493905243 is an apocalyptic number.
493905243 is a deficient number, since it is larger than the sum of its proper divisors (248144037).
493905243 is a wasteful number, since it uses less digits than its factorization.
493905243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1539.
The product of its (nonzero) digits is 116640, while the sum is 39.
The square root of 493905243 is about 22223.9790091694. The cubic root of 493905243 is about 790.4623918071.
The spelling of 493905243 in words is "four hundred ninety-three million, nine hundred five thousand, two hundred forty-three".
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