Base | Representation |
---|---|
bin | 11100100100100111100001 |
3 | 112002112101001 |
4 | 130210213201 |
5 | 3404140032 |
6 | 424312001 |
7 | 120443533 |
oct | 34444741 |
9 | 15075331 |
10 | 7490017 |
11 | 42563a7 |
12 | 2612601 |
13 | 1723282 |
14 | dcd853 |
15 | 9ce3e7 |
hex | 7249e1 |
7490017 has 4 divisors (see below), whose sum is σ = 7508740. Its totient is φ = 7471296.
The previous prime is 7489987. The next prime is 7490023. The reversal of 7490017 is 7100947.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 4562496 + 2927521 = 2136^2 + 1711^2 .
It is a cyclic number.
It is not a de Polignac number, because 7490017 - 211 = 7487969 is a prime.
It is a super-2 number, since 2×74900172 = 112200709320578, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7410017) 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 3 ways as a sum of consecutive naturals, for example, 8748 + ... + 9565.
It is an arithmetic number, because the mean of its divisors is an integer number (1877185).
Almost surely, 27490017 is an apocalyptic number.
It is an amenable number.
7490017 is a deficient number, since it is larger than the sum of its proper divisors (18723).
7490017 is a wasteful number, since it uses less digits than its factorization.
7490017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18722.
The product of its (nonzero) digits is 1764, while the sum is 28.
The square root of 7490017 is about 2736.7895425114. The cubic root of 7490017 is about 195.6564943322.
The spelling of 7490017 in words is "seven million, four hundred ninety thousand, seventeen".
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