Base | Representation |
---|---|
bin | 10011100111011011110101 |
3 | 100200020212010 |
4 | 103213123311 |
5 | 2304023021 |
6 | 302114433 |
7 | 61465005 |
oct | 23473365 |
9 | 10606763 |
10 | 5142261 |
11 | 29a2503 |
12 | 187ba19 |
13 | 10b0777 |
14 | 97c005 |
15 | 6b8976 |
hex | 4e76f5 |
5142261 has 16 divisors (see below), whose sum is σ = 7112448. Its totient is φ = 3302400.
The previous prime is 5142259. The next prime is 5142289. The reversal of 5142261 is 1622415.
It is not a de Polignac number, because 5142261 - 21 = 5142259 is a prime.
It is an Ulam number.
5142261 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5142061) 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, 11716 + ... + 12146.
It is an arithmetic number, because the mean of its divisors is an integer number (444528).
Almost surely, 25142261 is an apocalyptic number.
It is an amenable number.
5142261 is a deficient number, since it is larger than the sum of its proper divisors (1970187).
5142261 is a wasteful number, since it uses less digits than its factorization.
5142261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 572.
The product of its digits is 480, while the sum is 21.
The square root of 5142261 is about 2267.6553971007. The cubic root of 5142261 is about 172.6042050493.
Adding to 5142261 its reverse (1622415), we get a palindrome (6764676).
It can be divided in two parts, 514 and 2261, that added together give a triangular number (2775 = T74).
The spelling of 5142261 in words is "five million, one hundred forty-two thousand, two hundred sixty-one".
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