Base | Representation |
---|---|
bin | 11110010010100100001001 |
3 | 112221102010110 |
4 | 132102210021 |
5 | 4013042421 |
6 | 442104533 |
7 | 124330512 |
oct | 36224411 |
9 | 15842113 |
10 | 7940361 |
11 | 4533790 |
12 | 27ab149 |
13 | 1850250 |
14 | 10a9a09 |
15 | a6ca76 |
hex | 792909 |
7940361 has 32 divisors (see below), whose sum is σ = 12644352. Its totient is φ = 4368960.
The previous prime is 7940357. The next prime is 7940381. The reversal of 7940361 is 1630497.
It is a happy number.
It is not a de Polignac number, because 7940361 - 22 = 7940357 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (7940341) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35496 + ... + 35718.
It is an arithmetic number, because the mean of its divisors is an integer number (395136).
Almost surely, 27940361 is an apocalyptic number.
It is an amenable number.
7940361 is a deficient number, since it is larger than the sum of its proper divisors (4703991).
7940361 is a wasteful number, since it uses less digits than its factorization.
7940361 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 333.
The product of its (nonzero) digits is 4536, while the sum is 30.
The square root of 7940361 is about 2817.8646170460. The cubic root of 7940361 is about 199.5017681893.
The spelling of 7940361 in words is "seven million, nine hundred forty thousand, three hundred sixty-one".
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