Base | Representation |
---|---|
bin | 11011001101110110110010 |
3 | 111102110220000 |
4 | 123031312302 |
5 | 3311302032 |
6 | 412530430 |
7 | 114433464 |
oct | 33156662 |
9 | 14373800 |
10 | 7134642 |
11 | 40333a9 |
12 | 2480a16 |
13 | 162a5a8 |
14 | d3a134 |
15 | 95de7c |
hex | 6cddb2 |
7134642 has 20 divisors (see below), whose sum is σ = 15987246. Its totient is φ = 2378160.
The previous prime is 7134601. The next prime is 7134643. The reversal of 7134642 is 2464317.
7134642 is a `hidden beast` number, since 7 + 13 + 4 + 642 = 666.
It can be written as a sum of positive squares in only one way, i.e., 5948721 + 1185921 = 2439^2 + 1089^2 .
It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an Ulam number.
It is not an unprimeable number, because it can be changed into a prime (7134643) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 21859 + ... + 22182.
Almost surely, 27134642 is an apocalyptic number.
7134642 is an abundant number, since it is smaller than the sum of its proper divisors (8852604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7134642 is a wasteful number, since it uses less digits than its factorization.
7134642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44055 (or 44046 counting only the distinct ones).
The product of its digits is 4032, while the sum is 27.
The square root of 7134642 is about 2671.0750644637. The cubic root of 7134642 is about 192.5118180185.
Adding to 7134642 its reverse (2464317), we get a palindrome (9598959).
It can be divided in two parts, 7134 and 642, that added together give a 5-th power (7776 = 65).
The spelling of 7134642 in words is "seven million, one hundred thirty-four thousand, six hundred forty-two".
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