Base | Representation |
---|---|
bin | 1011010000110… |
… | …0110000001100 |
3 | 10021212221120100 |
4 | 2310030300030 |
5 | 44043110111 |
6 | 4404251100 |
7 | 1112342400 |
oct | 264146014 |
9 | 107787510 |
10 | 47238156 |
11 | 247347a9 |
12 | 139a0a90 |
13 | 9a2c294 |
14 | 63b9100 |
15 | 4231756 |
hex | 2d0cc0c |
47238156 has 108 divisors (see below), whose sum is σ = 141501360. Its totient is φ = 13245120.
The previous prime is 47238143. The next prime is 47238193. The reversal of 47238156 is 65183274.
47238156 is a `hidden beast` number, since 472 + 38 + 156 = 666.
It is a super-6 number, since 6×472381566 (a number of 47 digits) contains 666666 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 47238156.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 107385 + ... + 107823.
Almost surely, 247238156 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 47238156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70750680).
47238156 is an abundant number, since it is smaller than the sum of its proper divisors (94263204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47238156 is a wasteful number, since it uses less digits than its factorization.
47238156 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 524 (or 512 counting only the distinct ones).
The product of its digits is 40320, while the sum is 36.
The square root of 47238156 is about 6873.0019642075. The cubic root of 47238156 is about 361.4911299856.
The spelling of 47238156 in words is "forty-seven million, two hundred thirty-eight thousand, one hundred fifty-six".
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