Base | Representation |
---|---|
bin | 1100011110001… |
… | …1001111101010 |
3 | 10122102200020010 |
4 | 3013203033222 |
5 | 101342423033 |
6 | 5105112350 |
7 | 1203431154 |
oct | 307431752 |
9 | 118380203 |
10 | 52311018 |
11 | 2758a051 |
12 | 156286b6 |
13 | aab7286 |
14 | 6d39ad4 |
15 | 48d4863 |
hex | 31e33ea |
52311018 has 8 divisors (see below), whose sum is σ = 104622048. Its totient is φ = 17437004.
The previous prime is 52311013. The next prime is 52311019. The reversal of 52311018 is 81011325.
It is a sphenic number, since it is the product of 3 distinct primes.
52311018 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 52310985 and 52311003.
It is not an unprimeable number, because it can be changed into a prime (52311011) 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, 4359246 + ... + 4359257.
It is an arithmetic number, because the mean of its divisors is an integer number (13077756).
Almost surely, 252311018 is an apocalyptic number.
52311018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52311018 is a wasteful number, since it uses less digits than its factorization.
52311018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8718508.
The product of its (nonzero) digits is 240, while the sum is 21.
The square root of 52311018 is about 7232.6356191917. The cubic root of 52311018 is about 373.9937896345.
The spelling of 52311018 in words is "fifty-two million, three hundred eleven thousand, eighteen".
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