Base | Representation |
---|---|
bin | 1011011011011… |
… | …0101010001011 |
3 | 10100012022012201 |
4 | 2312312222023 |
5 | 44232342331 |
6 | 4431221031 |
7 | 1121301352 |
oct | 266665213 |
9 | 110168181 |
10 | 47934091 |
11 | 2506a657 |
12 | 14077777 |
13 | 9c13c8a |
14 | 651a999 |
15 | 431ca61 |
hex | 2db6a8b |
47934091 has 4 divisors (see below), whose sum is σ = 49480384. Its totient is φ = 46387800.
The previous prime is 47934083. The next prime is 47934127. The reversal of 47934091 is 19043974.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 47934091 - 23 = 47934083 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 47934091.
It is not an unprimeable number, because it can be changed into a prime (47932091) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773100 + ... + 773161.
It is an arithmetic number, because the mean of its divisors is an integer number (12370096).
Almost surely, 247934091 is an apocalyptic number.
47934091 is a deficient number, since it is larger than the sum of its proper divisors (1546293).
47934091 is a wasteful number, since it uses less digits than its factorization.
47934091 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1546292.
The product of its (nonzero) digits is 27216, while the sum is 37.
The square root of 47934091 is about 6923.4450239747. The cubic root of 47934091 is about 363.2577026506.
The spelling of 47934091 in words is "forty-seven million, nine hundred thirty-four thousand, ninety-one".
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