Base | Representation |
---|---|
bin | 1100011011001… |
… | …1011001001011 |
3 | 10122001201100220 |
4 | 3012303121023 |
5 | 101320140034 |
6 | 5101001123 |
7 | 1201653555 |
oct | 306633113 |
9 | 118051326 |
10 | 52115019 |
11 | 27465870 |
12 | 155531a3 |
13 | aa48cb8 |
14 | 6cc84d5 |
15 | 4896749 |
hex | 31b364b |
52115019 has 16 divisors (see below), whose sum is σ = 75941760. Its totient is φ = 31527360.
The previous prime is 52115017. The next prime is 52115023. The reversal of 52115019 is 91051125.
It is not a de Polignac number, because 52115019 - 21 = 52115017 is a prime.
It is a super-2 number, since 2×521150192 = 5431950410740722, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 52115019.
It is not an unprimeable number, because it can be changed into a prime (52115017) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23319 + ... + 25455.
It is an arithmetic number, because the mean of its divisors is an integer number (4746360).
Almost surely, 252115019 is an apocalyptic number.
52115019 is a deficient number, since it is larger than the sum of its proper divisors (23826741).
52115019 is a wasteful number, since it uses less digits than its factorization.
52115019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2890.
The product of its (nonzero) digits is 450, while the sum is 24.
The square root of 52115019 is about 7219.0732784756. The cubic root of 52115019 is about 373.5261115526.
The spelling of 52115019 in words is "fifty-two million, one hundred fifteen thousand, nineteen".
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