Base | Representation |
---|---|
bin | 1011011100001… |
… | …0001000101111 |
3 | 10100021200200220 |
4 | 2313002020233 |
5 | 44240343403 |
6 | 4432222423 |
7 | 1121555412 |
oct | 267021057 |
9 | 110250626 |
10 | 47981103 |
11 | 250a1a05 |
12 | 1409aa13 |
13 | 9c2c4b1 |
14 | 652db79 |
15 | 432b953 |
hex | 2dc222f |
47981103 has 4 divisors (see below), whose sum is σ = 63974808. Its totient is φ = 31987400.
The previous prime is 47981093. The next prime is 47981107. The reversal of 47981103 is 30118974.
47981103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 47981103 - 26 = 47981039 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47981107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7996848 + ... + 7996853.
It is an arithmetic number, because the mean of its divisors is an integer number (15993702).
Almost surely, 247981103 is an apocalyptic number.
47981103 is a deficient number, since it is larger than the sum of its proper divisors (15993705).
47981103 is a wasteful number, since it uses less digits than its factorization.
47981103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15993704.
The product of its (nonzero) digits is 6048, while the sum is 33.
The square root of 47981103 is about 6926.8393225193. The cubic root of 47981103 is about 363.3764204623.
It can be divided in two parts, 47981 and 103, that added together give a palindrome (48084).
The spelling of 47981103 in words is "forty-seven million, nine hundred eighty-one thousand, one hundred three".
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