Base | Representation |
---|---|
bin | 101110001100… |
… | …1010101100111 |
3 | 1200120120000020 |
4 | 1130121111213 |
5 | 22200033111 |
6 | 2223050223 |
7 | 412606152 |
oct | 134312547 |
9 | 50516006 |
10 | 24221031 |
11 | 1274368a |
12 | 8140973 |
13 | 5030793 |
14 | 3306c99 |
15 | 21d6906 |
hex | 1719567 |
24221031 has 8 divisors (see below), whose sum is σ = 32331264. Its totient is φ = 16129080.
The previous prime is 24221017. The next prime is 24221033. The reversal of 24221031 is 13012242.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 24221031 - 217 = 24089959 is a prime.
It is a super-2 number, since 2×242210312 = 1173316685405922, which contains 22 as substring.
It is a zygodrome in base 5.
It is a self number, because there is not a number n which added to its sum of digits gives 24221031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (24221033) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1101 + ... + 7046.
It is an arithmetic number, because the mean of its divisors is an integer number (4041408).
Almost surely, 224221031 is an apocalyptic number.
24221031 is a deficient number, since it is larger than the sum of its proper divisors (8110233).
24221031 is an equidigital number, since it uses as much as digits as its factorization.
24221031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9141.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 24221031 is about 4921.4866656327. The cubic root of 24221031 is about 289.3327146749.
Adding to 24221031 its reverse (13012242), we get a palindrome (37233273).
The spelling of 24221031 in words is "twenty-four million, two hundred twenty-one thousand, thirty-one".
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