Base | Representation |
---|---|
bin | 11010110111011001000010 |
3 | 111020210200000 |
4 | 122313121002 |
5 | 3300331001 |
6 | 410540430 |
7 | 113601303 |
oct | 32673102 |
9 | 14223600 |
10 | 7042626 |
11 | 3a80258 |
12 | 2437716 |
13 | 15c7746 |
14 | d147aa |
15 | 941a86 |
hex | 6b7642 |
7042626 has 48 divisors (see below), whose sum is σ = 16240224. Its totient is φ = 2286144.
The previous prime is 7042619. The next prime is 7042631. The reversal of 7042626 is 6262407.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 7042626.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20730 + ... + 21066.
It is an arithmetic number, because the mean of its divisors is an integer number (338338).
Almost surely, 27042626 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7042626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8120112).
7042626 is an abundant number, since it is smaller than the sum of its proper divisors (9197598).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7042626 is a wasteful number, since it uses less digits than its factorization.
7042626 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 397 (or 385 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 27.
The square root of 7042626 is about 2653.7946416405. The cubic root of 7042626 is about 191.6806213742.
The spelling of 7042626 in words is "seven million, forty-two thousand, six hundred twenty-six".
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