Base | Representation |
---|---|
bin | 11010111011111110100001 |
3 | 111021202102200 |
4 | 122323332201 |
5 | 3301431114 |
6 | 411203413 |
7 | 114010125 |
oct | 32737641 |
9 | 14252380 |
10 | 7061409 |
11 | 3a93383 |
12 | 2446569 |
13 | 1603164 |
14 | d1b585 |
15 | 947409 |
hex | 6bbfa1 |
7061409 has 12 divisors (see below), whose sum is σ = 10800036. Its totient is φ = 4430592.
The previous prime is 7061401. The next prime is 7061419. The reversal of 7061409 is 9041607.
7061409 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 6110784 + 950625 = 2472^2 + 975^2 .
It is not a de Polignac number, because 7061409 - 23 = 7061401 is a prime.
It is not an unprimeable number, because it can be changed into a prime (7061401) 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, 22924 + ... + 23229.
It is an arithmetic number, because the mean of its divisors is an integer number (900003).
Almost surely, 27061409 is an apocalyptic number.
It is an amenable number.
7061409 is a deficient number, since it is larger than the sum of its proper divisors (3738627).
7061409 is a wasteful number, since it uses less digits than its factorization.
7061409 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46176 (or 46173 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 7061409 is about 2657.3311799623. The cubic root of 7061409 is about 191.8508770474.
The spelling of 7061409 in words is "seven million, sixty-one thousand, four hundred nine".
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