Base | Representation |
---|---|
bin | 1101001010100… |
… | …1111100011001 |
3 | 10211220120101210 |
4 | 3102221330121 |
5 | 103114101131 |
6 | 5251333333 |
7 | 1240244130 |
oct | 322517431 |
9 | 124816353 |
10 | 55222041 |
11 | 29198156 |
12 | 165b1249 |
13 | b596284 |
14 | 7496917 |
15 | 4cac146 |
hex | 34a9f19 |
55222041 has 8 divisors (see below), whose sum is σ = 84147904. Its totient is φ = 31555440.
The previous prime is 55222009. The next prime is 55222043. The reversal of 55222041 is 14022255.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 55222041 - 25 = 55222009 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2629621 = 55222041 / (5 + 5 + 2 + 2 + 2 + 0 + 4 + 1).
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 55221999 and 55222017.
It is not an unprimeable number, because it can be changed into a prime (55222043) 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, 1314790 + ... + 1314831.
It is an arithmetic number, because the mean of its divisors is an integer number (10518488).
Almost surely, 255222041 is an apocalyptic number.
It is an amenable number.
55222041 is a deficient number, since it is larger than the sum of its proper divisors (28925863).
55222041 is a wasteful number, since it uses less digits than its factorization.
55222041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2629631.
The product of its (nonzero) digits is 800, while the sum is 21.
The square root of 55222041 is about 7431.1534098012. The cubic root of 55222041 is about 380.8063233987.
Adding to 55222041 its reverse (14022255), we get a palindrome (69244296).
The spelling of 55222041 in words is "fifty-five million, two hundred twenty-two thousand, forty-one".
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