Base | Representation |
---|---|
bin | 101100100010000… |
… | …111101111011011 |
3 | 1221001212202021220 |
4 | 230202013233123 |
5 | 3012232021412 |
6 | 202045503123 |
7 | 24341413605 |
oct | 5442075733 |
9 | 1831782256 |
10 | 747142107 |
11 | 353818a18 |
12 | 18a271aa3 |
13 | bba36a2a |
14 | 7132a175 |
15 | 458d568c |
hex | 2c887bdb |
747142107 has 4 divisors (see below), whose sum is σ = 996189480. Its totient is φ = 498094736.
The previous prime is 747142087. The next prime is 747142133. The reversal of 747142107 is 701241747.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 701241747 = 3 ⋅233747249.
It is a cyclic number.
It is not a de Polignac number, because 747142107 - 26 = 747142043 is a prime.
It is not an unprimeable number, because it can be changed into a prime (747142307) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124523682 + ... + 124523687.
It is an arithmetic number, because the mean of its divisors is an integer number (249047370).
Almost surely, 2747142107 is an apocalyptic number.
747142107 is a deficient number, since it is larger than the sum of its proper divisors (249047373).
747142107 is a wasteful number, since it uses less digits than its factorization.
747142107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 249047372.
The product of its (nonzero) digits is 10976, while the sum is 33.
The square root of 747142107 is about 27333.9003254201. The cubic root of 747142107 is about 907.4047972134.
The spelling of 747142107 in words is "seven hundred forty-seven million, one hundred forty-two thousand, one hundred seven".
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