Base | Representation |
---|---|
bin | 1011010000001… |
… | …0000100001100 |
3 | 10021210201112000 |
4 | 2310002010030 |
5 | 44040210010 |
6 | 4403312300 |
7 | 1112100642 |
oct | 264020414 |
9 | 107721460 |
10 | 47194380 |
11 | 24704922 |
12 | 1397b690 |
13 | 9a1538c |
14 | 63a7192 |
15 | 42237c0 |
hex | 2d0210c |
47194380 has 192 divisors, whose sum is σ = 160030080. Its totient is φ = 11501568.
The previous prime is 47194373. The next prime is 47194387. The reversal of 47194380 is 8349174.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (47194373) and next prime (47194387).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (47194387) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 486492 + ... + 486588.
It is an arithmetic number, because the mean of its divisors is an integer number (833490).
Almost surely, 247194380 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 47194380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80015040).
47194380 is an abundant number, since it is smaller than the sum of its proper divisors (112835700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47194380 is a wasteful number, since it uses less digits than its factorization.
47194380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 185 (or 177 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 47194380 is about 6869.8165914382. The cubic root of 47194380 is about 361.3794298415.
It can be divided in two parts, 47194 and 380, that added together give a palindrome (47574).
The spelling of 47194380 in words is "forty-seven million, one hundred ninety-four thousand, three hundred eighty".
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