Base | Representation |
---|---|
bin | 1000010010100111… |
… | …0001010100011111 |
3 | 12202002202021021110 |
4 | 2010221301110133 |
5 | 14024214324211 |
6 | 1004501033103 |
7 | 106102540620 |
oct | 20451612437 |
9 | 5662667243 |
10 | 2225542431 |
11 | a42295a72 |
12 | 5213b5793 |
13 | 296105718 |
14 | 171809a47 |
15 | d05b4ea6 |
hex | 84a7151f |
2225542431 has 16 divisors (see below), whose sum is σ = 3392269568. Its totient is φ = 1271376000.
The previous prime is 2225542343. The next prime is 2225542439. The reversal of 2225542431 is 1342455222.
It is not a de Polignac number, because 2225542431 - 27 = 2225542303 is a prime.
It is a super-2 number, since 2×22255424312 = 9906078224362779522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2225542439) 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, 71991 + ... + 98151.
It is an arithmetic number, because the mean of its divisors is an integer number (212016848).
Almost surely, 22225542431 is an apocalyptic number.
2225542431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2225542431 is a deficient number, since it is larger than the sum of its proper divisors (1166727137).
2225542431 is a wasteful number, since it uses less digits than its factorization.
2225542431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30222.
The product of its digits is 19200, while the sum is 30.
The square root of 2225542431 is about 47175.6550669940. The cubic root of 2225542431 is about 1305.6054658783.
Adding to 2225542431 its reverse (1342455222), we get a palindrome (3567997653).
The spelling of 2225542431 in words is "two billion, two hundred twenty-five million, five hundred forty-two thousand, four hundred thirty-one".
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