Base | Representation |
---|---|
bin | 11011001111110110001001 |
3 | 111102220001220 |
4 | 123033312021 |
5 | 3312032133 |
6 | 413032253 |
7 | 114466320 |
oct | 33176611 |
9 | 14386056 |
10 | 7142793 |
11 | 4039539 |
12 | 2485689 |
13 | 1631208 |
14 | d3d0b7 |
15 | 9615b3 |
hex | 6cfd89 |
7142793 has 16 divisors (see below), whose sum is σ = 10967040. Its totient is φ = 4050576.
The previous prime is 7142791. The next prime is 7142809. The reversal of 7142793 is 3972417.
7142793 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 7142793 - 21 = 7142791 is a prime.
It is not an unprimeable number, because it can be changed into a prime (7142791) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1696 + ... + 4142.
It is an arithmetic number, because the mean of its divisors is an integer number (685440).
Almost surely, 27142793 is an apocalyptic number.
It is an amenable number.
7142793 is a deficient number, since it is larger than the sum of its proper divisors (3824247).
7142793 is a wasteful number, since it uses less digits than its factorization.
7142793 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2596.
The product of its digits is 10584, while the sum is 33.
The square root of 7142793 is about 2672.6004190675. The cubic root of 7142793 is about 192.5851020806.
It can be divided in two parts, 71 and 42793, that multiplied together give a palindrome (3038303).
The spelling of 7142793 in words is "seven million, one hundred forty-two thousand, seven hundred ninety-three".
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