Base | Representation |
---|---|
bin | 1011011011111… |
… | …0111011100001 |
3 | 10100021000200110 |
4 | 2312332323201 |
5 | 44234433334 |
6 | 4432041533 |
7 | 1121502210 |
oct | 266767341 |
9 | 110230613 |
10 | 47967969 |
11 | 25093055 |
12 | 140932a9 |
13 | 9c2651a |
14 | 6529077 |
15 | 4327ae9 |
hex | 2dbeee1 |
47967969 has 16 divisors (see below), whose sum is σ = 73428992. Its totient is φ = 27284688.
The previous prime is 47967967. The next prime is 47967973. The reversal of 47967969 is 96976974.
It is not a de Polignac number, because 47967969 - 21 = 47967967 is a prime.
It is a super-2 number, since 2×479679692 = 4601852099969922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (47967961) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439 + ... + 9804.
It is an arithmetic number, because the mean of its divisors is an integer number (4589312).
Almost surely, 247967969 is an apocalyptic number.
It is an amenable number.
47967969 is a deficient number, since it is larger than the sum of its proper divisors (25461023).
47967969 is a wasteful number, since it uses less digits than its factorization.
47967969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10476.
The product of its digits is 5143824, while the sum is 57.
The square root of 47967969 is about 6925.8912061914. The cubic root of 47967969 is about 363.3432614257.
The spelling of 47967969 in words is "forty-seven million, nine hundred sixty-seven thousand, nine hundred sixty-nine".
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