Base | Representation |
---|---|
bin | 1011010001000… |
… | …1000111111101 |
3 | 10021220212010111 |
4 | 2310101013331 |
5 | 44044143221 |
6 | 4404510021 |
7 | 1112445526 |
oct | 264210775 |
9 | 107825114 |
10 | 47256061 |
11 | 247471a6 |
12 | 139ab311 |
13 | 9a37488 |
14 | 63c184d |
15 | 4236be1 |
hex | 2d111fd |
47256061 has 4 divisors (see below), whose sum is σ = 47286972. Its totient is φ = 47225152.
The previous prime is 47256043. The next prime is 47256071. The reversal of 47256061 is 16065274.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16065274 = 2 ⋅8032637.
It can be written as a sum of positive squares in 2 ways, for example, as 31304025 + 15952036 = 5595^2 + 3994^2 .
It is a cyclic number.
It is not a de Polignac number, because 47256061 - 217 = 47124989 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47256031) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13036 + ... + 16261.
It is an arithmetic number, because the mean of its divisors is an integer number (11821743).
Almost surely, 247256061 is an apocalyptic number.
It is an amenable number.
47256061 is a deficient number, since it is larger than the sum of its proper divisors (30911).
47256061 is a wasteful number, since it uses less digits than its factorization.
47256061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30910.
The product of its (nonzero) digits is 10080, while the sum is 31.
The square root of 47256061 is about 6874.3044011740. The cubic root of 47256061 is about 361.5367970313.
The spelling of 47256061 in words is "forty-seven million, two hundred fifty-six thousand, sixty-one".
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