Base | Representation |
---|---|
bin | 1011001111000… |
… | …1001101001000 |
3 | 10021200012210020 |
4 | 2303301031020 |
5 | 44031002240 |
6 | 4402020440 |
7 | 1111362414 |
oct | 263611510 |
9 | 107605706 |
10 | 47125320 |
11 | 24667a50 |
12 | 13947720 |
13 | 99bcb08 |
14 | 6389d44 |
15 | 420d0d0 |
hex | 2cf1348 |
47125320 has 128 divisors (see below), whose sum is σ = 162432000. Its totient is φ = 10817280.
The previous prime is 47125307. The next prime is 47125391. The reversal of 47125320 is 2352174.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24141 + ... + 26019.
It is an arithmetic number, because the mean of its divisors is an integer number (1269000).
Almost surely, 247125320 is an apocalyptic number.
47125320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47125320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81216000).
47125320 is an abundant number, since it is smaller than the sum of its proper divisors (115306680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47125320 is a wasteful number, since it uses less digits than its factorization.
47125320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1923 (or 1919 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 24.
The square root of 47125320 is about 6864.7884162587. The cubic root of 47125320 is about 361.2030737687.
Adding to 47125320 its reverse (2352174), we get a palindrome (49477494).
The spelling of 47125320 in words is "forty-seven million, one hundred twenty-five thousand, three hundred twenty".
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