Base | Representation |
---|---|
bin | 11101000101100… |
… | …011000001011111 |
3 | 1021000020122011002 |
4 | 131011203001133 |
5 | 1444411242224 |
6 | 120231220515 |
7 | 15043606253 |
oct | 3505430137 |
9 | 1230218132 |
10 | 487993439 |
11 | 23050676a |
12 | 11751773b |
13 | 7a14011b |
14 | 48b4c263 |
15 | 2cc959ae |
hex | 1d16305f |
487993439 has 8 divisors (see below), whose sum is σ = 500638320. Its totient is φ = 475384000.
The previous prime is 487993427. The next prime is 487993459. The reversal of 487993439 is 934399784.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 487993439 - 24 = 487993423 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (487993409) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20252 + ... + 37230.
It is an arithmetic number, because the mean of its divisors is an integer number (62579790).
Almost surely, 2487993439 is an apocalyptic number.
487993439 is a deficient number, since it is larger than the sum of its proper divisors (12644881).
487993439 is a wasteful number, since it uses less digits than its factorization.
487993439 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17721.
The product of its digits is 5878656, while the sum is 56.
The square root of 487993439 is about 22090.5735326179. The cubic root of 487993439 is about 787.2959082770.
The spelling of 487993439 in words is "four hundred eighty-seven million, nine hundred ninety-three thousand, four hundred thirty-nine".
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