Base | Representation |
---|---|
bin | 1110101001100… |
… | …0010011000111 |
3 | 11021121112111212 |
4 | 3222120103013 |
5 | 111212104343 |
6 | 10032522035 |
7 | 1344145634 |
oct | 352302307 |
9 | 137545455 |
10 | 61441223 |
11 | 31755778 |
12 | 186b031b |
13 | c962c6c |
14 | 823518b |
15 | 55d9c18 |
hex | 3a984c7 |
61441223 has 4 divisors (see below), whose sum is σ = 62219040. Its totient is φ = 60663408.
The previous prime is 61441217. The next prime is 61441241. The reversal of 61441223 is 32214416.
61441223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 61441223 - 224 = 44664007 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61441283) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388790 + ... + 388947.
It is an arithmetic number, because the mean of its divisors is an integer number (15554760).
Almost surely, 261441223 is an apocalyptic number.
61441223 is a deficient number, since it is larger than the sum of its proper divisors (777817).
61441223 is an equidigital number, since it uses as much as digits as its factorization.
61441223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 777816.
The product of its digits is 1152, while the sum is 23.
The square root of 61441223 is about 7838.4451902147. The cubic root of 61441223 is about 394.5965500850.
Adding to 61441223 its reverse (32214416), we get a palindrome (93655639).
The spelling of 61441223 in words is "sixty-one million, four hundred forty-one thousand, two hundred twenty-three".
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