Base | Representation |
---|---|
bin | 1100011100101… |
… | …1110101100101 |
3 | 10122020210201010 |
4 | 3013023311211 |
5 | 101331341031 |
6 | 5103052433 |
7 | 1202551506 |
oct | 307136545 |
9 | 118223633 |
10 | 52215141 |
11 | 27524010 |
12 | 155a1119 |
13 | aa82744 |
14 | 6d12bad |
15 | 48b6246 |
hex | 31cbd65 |
52215141 has 16 divisors (see below), whose sum is σ = 76120128. Its totient is φ = 31574400.
The previous prime is 52215133. The next prime is 52215157. The reversal of 52215141 is 14151225.
It is not a de Polignac number, because 52215141 - 23 = 52215133 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52215101) 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, 15675 + ... + 18711.
It is an arithmetic number, because the mean of its divisors is an integer number (4757508).
Almost surely, 252215141 is an apocalyptic number.
It is an amenable number.
52215141 is a deficient number, since it is larger than the sum of its proper divisors (23904987).
52215141 is a wasteful number, since it uses less digits than its factorization.
52215141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3572.
The product of its digits is 400, while the sum is 21.
The square root of 52215141 is about 7226.0044976460. The cubic root of 52215141 is about 373.7651613705.
Adding to 52215141 its reverse (14151225), we get a palindrome (66366366).
The spelling of 52215141 in words is "fifty-two million, two hundred fifteen thousand, one hundred forty-one".
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