Base | Representation |
---|---|
bin | 1011011000001… |
… | …0011001110010 |
3 | 10022210102121021 |
4 | 2312002121302 |
5 | 44204020200 |
6 | 4422450054 |
7 | 1116420340 |
oct | 266023162 |
9 | 108712537 |
10 | 47720050 |
11 | 24a33864 |
12 | 13b9392a |
13 | 9b6a721 |
14 | 64a2990 |
15 | 42c941a |
hex | 2d82672 |
47720050 has 24 divisors (see below), whose sum is σ = 101439936. Its totient is φ = 16361040.
The previous prime is 47720033. The next prime is 47720053. The reversal of 47720050 is 5002774.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a junction number, because it is equal to n+sod(n) for n = 47719997 and 47720024.
It is not an unprimeable number, because it can be changed into a prime (47720053) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67822 + ... + 68521.
It is an arithmetic number, because the mean of its divisors is an integer number (4226664).
Almost surely, 247720050 is an apocalyptic number.
47720050 is an abundant number, since it is smaller than the sum of its proper divisors (53719886).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47720050 is a wasteful number, since it uses less digits than its factorization.
47720050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136362 (or 136357 counting only the distinct ones).
The product of its (nonzero) digits is 1960, while the sum is 25.
The square root of 47720050 is about 6907.9700346773. The cubic root of 47720050 is about 362.7162087125.
The spelling of 47720050 in words is "forty-seven million, seven hundred twenty thousand, fifty".
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