Base | Representation |
---|---|
bin | 1011011000011… |
… | …1010010001101 |
3 | 10022211110000211 |
4 | 2312013102031 |
5 | 44210140140 |
6 | 4423122421 |
7 | 1116532543 |
oct | 266072215 |
9 | 108743024 |
10 | 47740045 |
11 | 24a47891 |
12 | 13ba3411 |
13 | 9b76862 |
14 | 64a9d93 |
15 | 42d02ea |
hex | 2d8748d |
47740045 has 16 divisors (see below), whose sum is σ = 58786560. Its totient is φ = 37206400.
The previous prime is 47740039. The next prime is 47740051. The reversal of 47740045 is 54004774.
47740045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (47740039) and next prime (47740051).
It is not a de Polignac number, because 47740045 - 23 = 47740037 is a prime.
It is a super-2 number, since 2×477400452 = 4558223793204050, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 47739989 and 47740016.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 30840 + ... + 32350.
It is an arithmetic number, because the mean of its divisors is an integer number (3674160).
Almost surely, 247740045 is an apocalyptic number.
It is an amenable number.
47740045 is a deficient number, since it is larger than the sum of its proper divisors (11046515).
47740045 is a wasteful number, since it uses less digits than its factorization.
47740045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1676.
The product of its (nonzero) digits is 15680, while the sum is 31.
The square root of 47740045 is about 6909.4171244758. The cubic root of 47740045 is about 362.7668617600.
The spelling of 47740045 in words is "forty-seven million, seven hundred forty thousand, forty-five".
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