Base | Representation |
---|---|
bin | 11101111111001… |
… | …110110010001011 |
3 | 1022001200212212212 |
4 | 131333032302023 |
5 | 2012244134031 |
6 | 121531255335 |
7 | 15316256156 |
oct | 3577166213 |
9 | 1261625785 |
10 | 503114891 |
11 | 238aa4734 |
12 | 1205aa54b |
13 | 80305b26 |
14 | 4ab66c9d |
15 | 2e28112b |
hex | 1dfcec8b |
503114891 has 4 divisors (see below), whose sum is σ = 503250384. Its totient is φ = 502979400.
The previous prime is 503114879. The next prime is 503114923. The reversal of 503114891 is 198411305.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 198411305 = 5 ⋅39682261.
It is a cyclic number.
It is not a de Polignac number, because 503114891 - 218 = 502852747 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (503114191) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62015 + ... + 69656.
It is an arithmetic number, because the mean of its divisors is an integer number (125812596).
Almost surely, 2503114891 is an apocalyptic number.
503114891 is a deficient number, since it is larger than the sum of its proper divisors (135493).
503114891 is a wasteful number, since it uses less digits than its factorization.
503114891 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 135492.
The product of its (nonzero) digits is 4320, while the sum is 32.
The square root of 503114891 is about 22430.2227140080. Note that the first 3 decimals coincide. The cubic root of 503114891 is about 795.3453089016.
The spelling of 503114891 in words is "five hundred three million, one hundred fourteen thousand, eight hundred ninety-one".
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