Base | Representation |
---|---|
bin | 1011001111010… |
… | …1000001010000 |
3 | 10021201000012220 |
4 | 2303311001100 |
5 | 44032002234 |
6 | 4402221040 |
7 | 1111456104 |
oct | 263650120 |
9 | 107630186 |
10 | 47140944 |
11 | 24678764 |
12 | 13954780 |
13 | 99c6c66 |
14 | 6391904 |
15 | 4212a49 |
hex | 2cf5050 |
47140944 has 20 divisors (see below), whose sum is σ = 121780896. Its totient is φ = 15713632.
The previous prime is 47140853. The next prime is 47140967. The reversal of 47140944 is 44904174.
It is a super-2 number, since 2×471409442 = 4444537202422272, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491004 + ... + 491099.
Almost surely, 247140944 is an apocalyptic number.
It is an amenable number.
47140944 is an abundant number, since it is smaller than the sum of its proper divisors (74639952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47140944 is a wasteful number, since it uses less digits than its factorization.
47140944 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 982114 (or 982108 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 33.
The square root of 47140944 is about 6865.9263031291. The cubic root of 47140944 is about 361.2429872962.
It can be divided in two parts, 47140 and 944, that added together give a palindrome (48084).
The spelling of 47140944 in words is "forty-seven million, one hundred forty thousand, nine hundred forty-four".
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