Base | Representation |
---|---|
bin | 1011011011111… |
… | …1011011001010 |
3 | 10100021010110110 |
4 | 2312333123022 |
5 | 44240014434 |
6 | 4432055150 |
7 | 1121511132 |
oct | 266773312 |
9 | 110233413 |
10 | 47969994 |
11 | 25094626 |
12 | 140944b6 |
13 | 9c27417 |
14 | 6529ac2 |
15 | 43284e9 |
hex | 2dbf6ca |
47969994 has 8 divisors (see below), whose sum is σ = 95940000. Its totient is φ = 15989996.
The previous prime is 47969947. The next prime is 47970023. The reversal of 47969994 is 49996974.
It is a sphenic number, since it is the product of 3 distinct primes.
47969994 is an admirable number.
It is a super-2 number, since 2×479699942 = 4602240648720072, which contains 22 as substring.
It is a Curzon number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 3997494 + ... + 3997505.
It is an arithmetic number, because the mean of its divisors is an integer number (11992500).
Almost surely, 247969994 is an apocalyptic number.
47969994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47969994 is a wasteful number, since it uses less digits than its factorization.
47969994 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7995004.
The product of its digits is 4408992, while the sum is 57.
The square root of 47969994 is about 6926.0373952210. The cubic root of 47969994 is about 363.3483742803.
The spelling of 47969994 in words is "forty-seven million, nine hundred sixty-nine thousand, nine hundred ninety-four".
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