Base | Representation |
---|---|
bin | 101111001101000… |
… | …010011110000110 |
3 | 2001012012002020122 |
4 | 233031002132012 |
5 | 3110214302032 |
6 | 210330101542 |
7 | 25424303540 |
oct | 5715023606 |
9 | 2035162218 |
10 | 791947142 |
11 | 377040678 |
12 | 1a127a8b2 |
13 | c80c369c |
14 | 77270690 |
15 | 497d6012 |
hex | 2f342786 |
791947142 has 32 divisors (see below), whose sum is σ = 1483868160. Its totient is φ = 309133440.
The previous prime is 791947141. The next prime is 791947171. The reversal of 791947142 is 241749197.
791947142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a junction number, because it is equal to n+sod(n) for n = 791947093 and 791947102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (791947141) 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, 46292 + ... + 61047.
It is an arithmetic number, because the mean of its divisors is an integer number (46370880).
Almost surely, 2791947142 is an apocalyptic number.
791947142 is a deficient number, since it is larger than the sum of its proper divisors (691921018).
791947142 is a wasteful number, since it uses less digits than its factorization.
791947142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107396.
The product of its digits is 127008, while the sum is 44.
The square root of 791947142 is about 28141.5554296489. Note that the first 3 decimals coincide. The cubic root of 791947142 is about 925.1924185045.
The spelling of 791947142 in words is "seven hundred ninety-one million, nine hundred forty-seven thousand, one hundred forty-two".
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