Base | Representation |
---|---|
bin | 100100101110010… |
… | …1000111011000101 |
3 | 10011212200111120021 |
4 | 1021130220323011 |
5 | 10010423310141 |
6 | 322135135141 |
7 | 42351622222 |
oct | 11134507305 |
9 | 3155614507 |
10 | 1232244421 |
11 | 58262a521 |
12 | 2a48144b1 |
13 | 1683a3c15 |
14 | b9924949 |
15 | 732a96d1 |
hex | 49728ec5 |
1232244421 has 12 divisors (see below), whose sum is σ = 1273304032. Its totient is φ = 1191862728.
The previous prime is 1232244383. The next prime is 1232244437. The reversal of 1232244421 is 1244422321.
It is not a de Polignac number, because 1232244421 - 223 = 1223855813 is a prime.
It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1232244491) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 491056 + ... + 493558.
Almost surely, 21232244421 is an apocalyptic number.
It is an amenable number.
1232244421 is a deficient number, since it is larger than the sum of its proper divisors (41059611).
1232244421 is an equidigital number, since it uses as much as digits as its factorization.
1232244421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2760 (or 2653 counting only the distinct ones).
The product of its digits is 3072, while the sum is 25.
The square root of 1232244421 is about 35103.3391716515. The cubic root of 1232244421 is about 1072.0925716101.
Adding to 1232244421 its reverse (1244422321), we get a palindrome (2476666742).
The spelling of 1232244421 in words is "one billion, two hundred thirty-two million, two hundred forty-four thousand, four hundred twenty-one".
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