Base | Representation |
---|---|
bin | 11010101101000… |
… | …10011101100011 |
3 | 120121111222212121 |
4 | 31112202131203 |
5 | 424321342011 |
6 | 34121205111 |
7 | 5360033410 |
oct | 1526423543 |
9 | 517458777 |
10 | 224012131 |
11 | 1054a36a2 |
12 | 63030797 |
13 | 37543975 |
14 | 21a73107 |
15 | 149ede71 |
hex | d5a2763 |
224012131 has 4 divisors (see below), whose sum is σ = 256013872. Its totient is φ = 192010392.
The previous prime is 224012101. The next prime is 224012141. The reversal of 224012131 is 131210422.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 224012131 - 25 = 224012099 is a prime.
It is a super-2 number, since 2×2240121312 = 100362869670322322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (224012101) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16000860 + ... + 16000873.
It is an arithmetic number, because the mean of its divisors is an integer number (64003468).
Almost surely, 2224012131 is an apocalyptic number.
224012131 is a deficient number, since it is larger than the sum of its proper divisors (32001741).
224012131 is an equidigital number, since it uses as much as digits as its factorization.
224012131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32001740.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 224012131 is about 14967.0348098747. The cubic root of 224012131 is about 607.3287575287.
Adding to 224012131 its reverse (131210422), we get a palindrome (355222553).
The spelling of 224012131 in words is "two hundred twenty-four million, twelve thousand, one hundred thirty-one".
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