Base | Representation |
---|---|
bin | 11011001101110011010101 |
3 | 111102110120211 |
4 | 123031303111 |
5 | 3311300141 |
6 | 412525421 |
7 | 114433030 |
oct | 33156325 |
9 | 14373524 |
10 | 7134421 |
11 | 4033218 |
12 | 2480871 |
13 | 162a468 |
14 | d3a017 |
15 | 95dd81 |
hex | 6cdcd5 |
7134421 has 8 divisors (see below), whose sum is σ = 8169984. Its totient is φ = 6102960.
The previous prime is 7134409. The next prime is 7134427. The reversal of 7134421 is 1244317.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 7134421 - 211 = 7132373 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 7134392 and 7134401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7134427) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5451 + ... + 6631.
It is an arithmetic number, because the mean of its divisors is an integer number (1021248).
Almost surely, 27134421 is an apocalyptic number.
It is an amenable number.
7134421 is a deficient number, since it is larger than the sum of its proper divisors (1035563).
7134421 is a wasteful number, since it uses less digits than its factorization.
7134421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2051.
The product of its digits is 672, while the sum is 22.
The square root of 7134421 is about 2671.0336950327. The cubic root of 7134421 is about 192.5098302733.
Adding to 7134421 its reverse (1244317), we get a palindrome (8378738).
The spelling of 7134421 in words is "seven million, one hundred thirty-four thousand, four hundred twenty-one".
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