Base | Representation |
---|---|
bin | 11001101111101101001001 |
3 | 110200212220000 |
4 | 121233231021 |
5 | 3211432001 |
6 | 400353213 |
7 | 111236250 |
oct | 31575511 |
9 | 13625800 |
10 | 6749001 |
11 | 389a696 |
12 | 2315809 |
13 | 1523bbc |
14 | c79797 |
15 | 8d4a86 |
hex | 66fb49 |
6749001 has 20 divisors (see below), whose sum is σ = 11523072. Its totient is φ = 3856248.
The previous prime is 6748999. The next prime is 6749003. The reversal of 6749001 is 1009476.
It is an interprime number because it is at equal distance from previous prime (6748999) and next prime (6749003).
It is not a de Polignac number, because 6749001 - 21 = 6748999 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6749003) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5385 + ... + 6518.
Almost surely, 26749001 is an apocalyptic number.
It is an amenable number.
6749001 is a deficient number, since it is larger than the sum of its proper divisors (4774071).
6749001 is a wasteful number, since it uses less digits than its factorization.
6749001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11922 (or 11913 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 6749001 is about 2597.8839465996. The cubic root of 6749001 is about 188.9788336085.
The spelling of 6749001 in words is "six million, seven hundred forty-nine thousand, one".
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