Base | Representation |
---|---|
bin | 1011001101011… |
… | …1011101100000 |
3 | 10021110212010202 |
4 | 2303113131200 |
5 | 44014113442 |
6 | 4355444332 |
7 | 1110443114 |
oct | 263273540 |
9 | 107425122 |
10 | 47019872 |
11 | 245a57a9 |
12 | 138b66a8 |
13 | 9983b13 |
14 | 635d744 |
15 | 41dbc32 |
hex | 2cd7760 |
47019872 has 24 divisors (see below), whose sum is σ = 92992536. Its totient is φ = 23402752.
The previous prime is 47019871. The next prime is 47019887. The reversal of 47019872 is 27891074.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47019871) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4028 + ... + 10500.
It is an arithmetic number, because the mean of its divisors is an integer number (3874689).
Almost surely, 247019872 is an apocalyptic number.
It is an amenable number.
47019872 is a deficient number, since it is larger than the sum of its proper divisors (45972664).
47019872 is a wasteful number, since it uses less digits than its factorization.
47019872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6710 (or 6702 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 38.
The square root of 47019872 is about 6857.1037617933. The cubic root of 47019872 is about 360.9334622600.
The spelling of 47019872 in words is "forty-seven million, nineteen thousand, eight hundred seventy-two".
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