Base | Representation |
---|---|
bin | 11110001000110… |
… | …110111100111100 |
3 | 1022020110002220212 |
4 | 132020312330330 |
5 | 2013420414331 |
6 | 122101331552 |
7 | 15346600232 |
oct | 3610667474 |
9 | 1266402825 |
10 | 505638716 |
11 | 23a468940 |
12 | 121406bb8 |
13 | 809aa80b |
14 | 4b222952 |
15 | 2e5cdd2b |
hex | 1e236f3c |
505638716 has 48 divisors (see below), whose sum is σ = 1060335360. Its totient is φ = 208264320.
The previous prime is 505638713. The next prime is 505638761. The reversal of 505638716 is 617836505.
It is a super-2 number, since 2×5056387162 = 511341022236257312, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (505638713) 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 15 ways as a sum of consecutive naturals, for example, 6080 + ... + 32376.
It is an arithmetic number, because the mean of its divisors is an integer number (22090320).
Almost surely, 2505638716 is an apocalyptic number.
It is an amenable number.
505638716 is an abundant number, since it is smaller than the sum of its proper divisors (554696644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
505638716 is a wasteful number, since it uses less digits than its factorization.
505638716 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26354 (or 26352 counting only the distinct ones).
The product of its (nonzero) digits is 151200, while the sum is 41.
The square root of 505638716 is about 22486.4118080231. The cubic root of 505638716 is about 796.6730143886.
The spelling of 505638716 in words is "five hundred five million, six hundred thirty-eight thousand, seven hundred sixteen".
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