Base | Representation |
---|---|
bin | 11011001111101110000011 |
3 | 111102212100201 |
4 | 123033232003 |
5 | 3312023100 |
6 | 413030031 |
7 | 114464650 |
oct | 33175603 |
9 | 14385321 |
10 | 7142275 |
11 | 4039108 |
12 | 2485317 |
13 | 1630bca |
14 | d3cc27 |
15 | 96136a |
hex | 6cfb83 |
7142275 has 12 divisors (see below), whose sum is σ = 10121872. Its totient is φ = 4897440.
The previous prime is 7142269. The next prime is 7142293. The reversal of 7142275 is 5722417.
It is not a de Polignac number, because 7142275 - 211 = 7140227 is a prime.
It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20232 + ... + 20581.
Almost surely, 27142275 is an apocalyptic number.
7142275 is a deficient number, since it is larger than the sum of its proper divisors (2979597).
7142275 is a wasteful number, since it uses less digits than its factorization.
7142275 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40830 (or 40825 counting only the distinct ones).
The product of its digits is 3920, while the sum is 28.
The square root of 7142275 is about 2672.5035079491. The cubic root of 7142275 is about 192.5804465023.
The spelling of 7142275 in words is "seven million, one hundred forty-two thousand, two hundred seventy-five".
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