Base | Representation |
---|---|
bin | 11101000010000… |
… | …010100100001001 |
3 | 1020221111220222220 |
4 | 131002002210021 |
5 | 1444142332212 |
6 | 120155404253 |
7 | 15033026661 |
oct | 3502024411 |
9 | 1227456886 |
10 | 487074057 |
11 | 22aa38a48 |
12 | 117153689 |
13 | 79baa802 |
14 | 4898d1a1 |
15 | 2cb6338c |
hex | 1d082909 |
487074057 has 8 divisors (see below), whose sum is σ = 649568640. Its totient is φ = 324647760.
The previous prime is 487074047. The next prime is 487074067. The reversal of 487074057 is 750470784.
It is an interprime number because it is at equal distance from previous prime (487074047) and next prime (487074067).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 487074057 - 28 = 487073801 is a prime.
It is a super-2 number, since 2×4870740572 = 474482274004878498, which contains 22 as substring.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (487074017) 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, 2919 + ... + 31347.
It is an arithmetic number, because the mean of its divisors is an integer number (81196080).
Almost surely, 2487074057 is an apocalyptic number.
It is an amenable number.
487074057 is a deficient number, since it is larger than the sum of its proper divisors (162494583).
487074057 is a wasteful number, since it uses less digits than its factorization.
487074057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34143.
The product of its (nonzero) digits is 219520, while the sum is 42.
The square root of 487074057 is about 22069.7543484290. The cubic root of 487074057 is about 786.8011743531.
The spelling of 487074057 in words is "four hundred eighty-seven million, seventy-four thousand, fifty-seven".
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