Base | Representation |
---|---|
bin | 1101100100101… |
… | …1111001111101 |
3 | 10222010112210011 |
4 | 3121023321331 |
5 | 104033342023 |
6 | 5352143221 |
7 | 1260634243 |
oct | 331137175 |
9 | 128115704 |
10 | 56934013 |
11 | 2a157404 |
12 | 17097b11 |
13 | ba45586 |
14 | 77c0793 |
15 | 4ee950d |
hex | 364be7d |
56934013 has 4 divisors (see below), whose sum is σ = 59930560. Its totient is φ = 53937468.
The previous prime is 56934001. The next prime is 56934029. The reversal of 56934013 is 31043965.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31043965 = 5 ⋅6208793.
It is a cyclic number.
It is not a de Polignac number, because 56934013 - 213 = 56925821 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56934043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1498245 + ... + 1498282.
It is an arithmetic number, because the mean of its divisors is an integer number (14982640).
Almost surely, 256934013 is an apocalyptic number.
It is an amenable number.
56934013 is a deficient number, since it is larger than the sum of its proper divisors (2996547).
56934013 is a wasteful number, since it uses less digits than its factorization.
56934013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2996546.
The product of its (nonzero) digits is 9720, while the sum is 31.
The square root of 56934013 is about 7545.4630739273. The cubic root of 56934013 is about 384.7015464001.
Adding to 56934013 its reverse (31043965), we get a palindrome (87977978).
The spelling of 56934013 in words is "fifty-six million, nine hundred thirty-four thousand, thirteen".
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