Base | Representation |
---|---|
bin | 1101100011110… |
… | …0011101010101 |
3 | 10222000022222202 |
4 | 3120330131111 |
5 | 104024330431 |
6 | 5350534245 |
7 | 1260251624 |
oct | 330743525 |
9 | 128008882 |
10 | 56870741 |
11 | 2a113914 |
12 | 17067385 |
13 | ba22835 |
14 | 77a56bb |
15 | 4ed58cb |
hex | 363c755 |
56870741 has 4 divisors (see below), whose sum is σ = 56963532. Its totient is φ = 56777952.
The previous prime is 56870713. The next prime is 56870783. The reversal of 56870741 is 14707865.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14707865 = 5 ⋅2941573.
It can be written as a sum of positive squares in 2 ways, for example, as 2907025 + 53963716 = 1705^2 + 7346^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-56870741 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 56870695 and 56870704.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56870791) 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, 45470 + ... + 46703.
It is an arithmetic number, because the mean of its divisors is an integer number (14240883).
Almost surely, 256870741 is an apocalyptic number.
It is an amenable number.
56870741 is a deficient number, since it is larger than the sum of its proper divisors (92791).
56870741 is an equidigital number, since it uses as much as digits as its factorization.
56870741 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 92790.
The product of its (nonzero) digits is 47040, while the sum is 38.
The square root of 56870741 is about 7541.2691902623. The cubic root of 56870741 is about 384.5589845268.
The spelling of 56870741 in words is "fifty-six million, eight hundred seventy thousand, seven hundred forty-one".
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