Base | Representation |
---|---|
bin | 11011010000011001001101 |
3 | 111110000011000 |
4 | 123100121031 |
5 | 3312120122 |
6 | 413050513 |
7 | 114506004 |
oct | 33203115 |
9 | 14400130 |
10 | 7145037 |
11 | 4040199 |
12 | 2486a39 |
13 | 1632243 |
14 | d3dc3b |
15 | 9620ac |
hex | 6d064d |
7145037 has 8 divisors (see below), whose sum is σ = 10585280. Its totient is φ = 4763340.
The previous prime is 7145011. The next prime is 7145041. The reversal of 7145037 is 7305417.
It is a de Polignac number, because none of the positive numbers 2k-7145037 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 264631 = 7145037 / (7 + 1 + 4 + 5 + 0 + 3 + 7).
It is a Duffinian number.
It is a zygodrome in base 3.
It is a self number, because there is not a number n which added to its sum of digits gives 7145037.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7145087) 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 7 ways as a sum of consecutive naturals, for example, 132289 + ... + 132342.
It is an arithmetic number, because the mean of its divisors is an integer number (1323160).
Almost surely, 27145037 is an apocalyptic number.
It is an amenable number.
7145037 is a deficient number, since it is larger than the sum of its proper divisors (3440243).
7145037 is a wasteful number, since it uses less digits than its factorization.
7145037 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 264640 (or 264634 counting only the distinct ones).
The product of its (nonzero) digits is 2940, while the sum is 27.
The square root of 7145037 is about 2673.0202019439. The cubic root of 7145037 is about 192.6052676619.
The spelling of 7145037 in words is "seven million, one hundred forty-five thousand, thirty-seven".
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