Base | Representation |
---|---|
bin | 1011001101001… |
… | …0101011000000 |
3 | 10021102212020020 |
4 | 2303102223000 |
5 | 44013002011 |
6 | 4355213440 |
7 | 1110331662 |
oct | 263225300 |
9 | 107385206 |
10 | 47000256 |
11 | 24591a96 |
12 | 138a7280 |
13 | 9977c04 |
14 | 6356532 |
15 | 41d6006 |
hex | 2cd2ac0 |
47000256 has 56 divisors (see below), whose sum is σ = 126424944. Its totient is φ = 15406080.
The previous prime is 47000251. The next prime is 47000263. The reversal of 47000256 is 65200074.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47000251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9706 + ... + 13718.
Almost surely, 247000256 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 47000256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63212472).
47000256 is an abundant number, since it is smaller than the sum of its proper divisors (79424688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47000256 is a wasteful number, since it uses less digits than its factorization.
47000256 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4089 (or 4079 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 24.
The square root of 47000256 is about 6855.6732710945. The cubic root of 47000256 is about 360.8832632322.
The spelling of 47000256 in words is "forty-seven million, two hundred fifty-six", and thus it is an aban number.
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