Base | Representation |
---|---|
bin | 11010110100101001111111 |
3 | 111020020022002 |
4 | 122310221333 |
5 | 3300001143 |
6 | 410412515 |
7 | 113523530 |
oct | 32645177 |
9 | 14206262 |
10 | 7031423 |
11 | 3a728a3 |
12 | 243113b |
13 | 15c2609 |
14 | d10687 |
15 | 93d5b8 |
hex | 6b4a7f |
7031423 has 8 divisors (see below), whose sum is σ = 8060448. Its totient is φ = 6008544.
The previous prime is 7031419. The next prime is 7031429. The reversal of 7031423 is 3241307.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 7031423 - 22 = 7031419 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 7031395 and 7031404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7031429) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1265 + ... + 3957.
It is an arithmetic number, because the mean of its divisors is an integer number (1007556).
Almost surely, 27031423 is an apocalyptic number.
7031423 is a deficient number, since it is larger than the sum of its proper divisors (1029025).
7031423 is a wasteful number, since it uses less digits than its factorization.
7031423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3073.
The product of its (nonzero) digits is 504, while the sum is 20.
The square root of 7031423 is about 2651.6830504417. The cubic root of 7031423 is about 191.5789293037.
The spelling of 7031423 in words is "seven million, thirty-one thousand, four hundred twenty-three".
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