Base | Representation |
---|---|
bin | 1011001101111… |
… | …1110000010010 |
3 | 10021112120201220 |
4 | 2303133300102 |
5 | 44021210332 |
6 | 4400305510 |
7 | 1110644133 |
oct | 263376022 |
9 | 107476656 |
10 | 47053842 |
11 | 24619280 |
12 | 13912296 |
13 | 9996414 |
14 | 636bc8a |
15 | 41e6d2c |
hex | 2cdfc12 |
47053842 has 64 divisors (see below), whose sum is σ = 109209600. Its totient is φ = 13366080.
The previous prime is 47053813. The next prime is 47053843. The reversal of 47053842 is 24835074.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (47053843) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196759 + ... + 196997.
It is an arithmetic number, because the mean of its divisors is an integer number (1706400).
Almost surely, 247053842 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47053842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54604800).
47053842 is an abundant number, since it is smaller than the sum of its proper divisors (62155758).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47053842 is a wasteful number, since it uses less digits than its factorization.
47053842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 431.
The product of its (nonzero) digits is 26880, while the sum is 33.
The square root of 47053842 is about 6859.5803078614. The cubic root of 47053842 is about 361.0203613922.
It can be divided in two parts, 47053 and 842, that added together give a triangular number (47895 = T309).
The spelling of 47053842 in words is "forty-seven million, fifty-three thousand, eight hundred forty-two".
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