Base | Representation |
---|---|
bin | 1011010101011… |
… | …0111101011010 |
3 | 10022110101111202 |
4 | 2311112331122 |
5 | 44132321411 |
6 | 4414554202 |
7 | 1115046503 |
oct | 265267532 |
9 | 108411452 |
10 | 47542106 |
11 | 249220a7 |
12 | 13b08962 |
13 | 9b07731 |
14 | 6457baa |
15 | 429183b |
hex | 2d56f5a |
47542106 has 4 divisors (see below), whose sum is σ = 71313162. Its totient is φ = 23771052.
The previous prime is 47542091. The next prime is 47542147. The reversal of 47542106 is 60124574.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60124574 = 2 ⋅30062287.
It can be written as a sum of positive squares in only one way, i.e., 31820881 + 15721225 = 5641^2 + 3965^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11885525 + ... + 11885528.
Almost surely, 247542106 is an apocalyptic number.
47542106 is a deficient number, since it is larger than the sum of its proper divisors (23771056).
47542106 is a wasteful number, since it uses less digits than its factorization.
47542106 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23771055.
The product of its (nonzero) digits is 6720, while the sum is 29.
The square root of 47542106 is about 6895.0783896922. The cubic root of 47542106 is about 362.2648012155.
The spelling of 47542106 in words is "forty-seven million, five hundred forty-two thousand, one hundred six".
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