Base | Representation |
---|---|
bin | 100000011000… |
… | …110110010000 |
3 | 120222100121200 |
4 | 200120312100 |
5 | 4133143014 |
6 | 501551200 |
7 | 132111210 |
oct | 40306620 |
9 | 16870550 |
10 | 8490384 |
11 | 4879a51 |
12 | 2a15500 |
13 | 19b36c6 |
14 | 11b0240 |
15 | b2aa09 |
hex | 818d90 |
8490384 has 60 divisors (see below), whose sum is σ = 27158976. Its totient is φ = 2425536.
The previous prime is 8490379. The next prime is 8490389. The reversal of 8490384 is 4830948.
It is an interprime number because it is at equal distance from previous prime (8490379) and next prime (8490389).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (8490389) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3204 + ... + 5219.
Almost surely, 28490384 is an apocalyptic number.
8490384 is a gapful number since it is divisible by the number (84) formed by its first and last digit.
It is an amenable number.
8490384 is an abundant number, since it is smaller than the sum of its proper divisors (18668592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8490384 is a wasteful number, since it uses less digits than its factorization.
8490384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8444 (or 8435 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 36.
The square root of 8490384 is about 2913.8263503510. The cubic root of 8490384 is about 204.0057668497.
The spelling of 8490384 in words is "eight million, four hundred ninety thousand, three hundred eighty-four".
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