Base | Representation |
---|---|
bin | 1011011011100… |
… | …0101110000000 |
3 | 10100012201210012 |
4 | 2312320232000 |
5 | 44233130103 |
6 | 4431324052 |
7 | 1121335064 |
oct | 266705600 |
9 | 110181705 |
10 | 47942528 |
11 | 25075a27 |
12 | 14080628 |
13 | 9c17a7a |
14 | 651daa4 |
15 | 43202d8 |
hex | 2db8b80 |
47942528 has 64 divisors (see below), whose sum is σ = 100465920. Its totient is φ = 22763520.
The previous prime is 47942513. The next prime is 47942569. The reversal of 47942528 is 82524974.
It is a tau number, because it is divible by the number of its divisors (64).
It is a super-3 number, since 3×479425283 (a number of 24 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250913 + ... + 251103.
It is an arithmetic number, because the mean of its divisors is an integer number (1569780).
Almost surely, 247942528 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47942528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50232960).
47942528 is an abundant number, since it is smaller than the sum of its proper divisors (52523392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47942528 is a wasteful number, since it uses less digits than its factorization.
47942528 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 295 (or 283 counting only the distinct ones).
The product of its digits is 161280, while the sum is 41.
The square root of 47942528 is about 6924.0543036576. The cubic root of 47942528 is about 363.2790140344.
The spelling of 47942528 in words is "forty-seven million, nine hundred forty-two thousand, five hundred twenty-eight".
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