Base | Representation |
---|---|
bin | 11011010001011000001101 |
3 | 111110012200100 |
4 | 123101120031 |
5 | 3312232234 |
6 | 413121313 |
7 | 114523524 |
oct | 33213015 |
9 | 14405610 |
10 | 7149069 |
11 | 4043224 |
12 | 2489239 |
13 | 1634025 |
14 | d414bb |
15 | 963399 |
hex | 6d160d |
7149069 has 6 divisors (see below), whose sum is σ = 10326446. Its totient is φ = 4766040.
The previous prime is 7149059. The next prime is 7149097. The reversal of 7149069 is 9609417.
It can be written as a sum of positive squares in only one way, i.e., 6563844 + 585225 = 2562^2 + 765^2 .
It is not a de Polignac number, because 7149069 - 24 = 7149053 is a prime.
It is a super-2 number, since 2×71490692 = 102218375133522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7149019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 397162 + ... + 397179.
Almost surely, 27149069 is an apocalyptic number.
It is an amenable number.
7149069 is a deficient number, since it is larger than the sum of its proper divisors (3177377).
7149069 is a wasteful number, since it uses less digits than its factorization.
7149069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 794347 (or 794344 counting only the distinct ones).
The product of its (nonzero) digits is 13608, while the sum is 36.
The square root of 7149069 is about 2673.7742986273. The cubic root of 7149069 is about 192.6414903998.
The spelling of 7149069 in words is "seven million, one hundred forty-nine thousand, sixty-nine".
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