Base | Representation |
---|---|
bin | 1100011010110… |
… | …0100101110011 |
3 | 10122000022010220 |
4 | 3012230211303 |
5 | 101313242110 |
6 | 5100224123 |
7 | 1201506411 |
oct | 306544563 |
9 | 118008126 |
10 | 52087155 |
11 | 2744693a |
12 | 1553b043 |
13 | aa39403 |
14 | 6cbc2b1 |
15 | 488d370 |
hex | 31ac973 |
52087155 has 16 divisors (see below), whose sum is σ = 83618304. Its totient is φ = 27686880.
The previous prime is 52087141. The next prime is 52087163. The reversal of 52087155 is 55178025.
It is a happy number.
It is not a de Polignac number, because 52087155 - 27 = 52087027 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1051 + ... + 10260.
It is an arithmetic number, because the mean of its divisors is an integer number (5226144).
Almost surely, 252087155 is an apocalyptic number.
52087155 is a deficient number, since it is larger than the sum of its proper divisors (31531149).
52087155 is a wasteful number, since it uses less digits than its factorization.
52087155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11626.
The product of its (nonzero) digits is 14000, while the sum is 33.
The square root of 52087155 is about 7217.1431328470. The cubic root of 52087155 is about 373.4595294218.
The spelling of 52087155 in words is "fifty-two million, eighty-seven thousand, one hundred fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •