Base | Representation |
---|---|
bin | 1011010010111… |
… | …1011000000001 |
3 | 10022011011002200 |
4 | 2310233120001 |
5 | 44112124334 |
6 | 4411303413 |
7 | 1113503010 |
oct | 264573001 |
9 | 108134080 |
10 | 47379969 |
11 | 248212aa |
12 | 13a4ab69 |
13 | 9a7b9b0 |
14 | 6414a77 |
15 | 425d799 |
hex | 2d2f601 |
47379969 has 96 divisors (see below), whose sum is σ = 92461824. Its totient is φ = 22671360.
The previous prime is 47379967. The next prime is 47379971. The reversal of 47379969 is 96997374.
It is an interprime number because it is at equal distance from previous prime (47379967) and next prime (47379971).
It is not a de Polignac number, because 47379969 - 21 = 47379967 is a prime.
It is a super-2 number, since 2×473799692 = 4489722924881922, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (47379961) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 570802 + ... + 570884.
It is an arithmetic number, because the mean of its divisors is an integer number (963144).
Almost surely, 247379969 is an apocalyptic number.
It is an amenable number.
47379969 is a deficient number, since it is larger than the sum of its proper divisors (45081855).
47379969 is a wasteful number, since it uses less digits than its factorization.
47379969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 167 (or 164 counting only the distinct ones).
The product of its digits is 2571912, while the sum is 54.
The square root of 47379969 is about 6883.3109039183. The cubic root of 47379969 is about 361.8525110636.
It can be divided in two parts, 4737 and 9969, that added together give a triangular number (14706 = T171).
The spelling of 47379969 in words is "forty-seven million, three hundred seventy-nine thousand, nine hundred sixty-nine".
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