Base | Representation |
---|---|
bin | 100000110010011… |
… | …111100001010100 |
3 | 1102100010100020111 |
4 | 200302133201110 |
5 | 2111311412340 |
6 | 130330412404 |
7 | 16426556065 |
oct | 4062374124 |
9 | 1370110214 |
10 | 550107220 |
11 | 262580773 |
12 | 134291104 |
13 | 89c7a240 |
14 | 530ba56c |
15 | 33464aea |
hex | 20c9f854 |
550107220 has 48 divisors (see below), whose sum is σ = 1258120080. Its totient is φ = 200825856.
The previous prime is 550107163. The next prime is 550107227. The reversal of 550107220 is 22701055.
It can be written as a sum of positive squares in 8 ways, for example, as 160123716 + 389983504 = 12654^2 + 19748^2 .
It is a super-2 number, since 2×5501072202 = 605235906992256800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 550107191 and 550107200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (550107227) 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 15 ways as a sum of consecutive naturals, for example, 11254 + ... + 35026.
It is an arithmetic number, because the mean of its divisors is an integer number (26210835).
Almost surely, 2550107220 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 550107220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (629060040).
550107220 is an abundant number, since it is smaller than the sum of its proper divisors (708012860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
550107220 is a wasteful number, since it uses less digits than its factorization.
550107220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23884 (or 23882 counting only the distinct ones).
The product of its (nonzero) digits is 700, while the sum is 22.
The square root of 550107220 is about 23454.3646258005. The cubic root of 550107220 is about 819.3745081272.
Adding to 550107220 its reverse (22701055), we get a palindrome (572808275).
The spelling of 550107220 in words is "five hundred fifty million, one hundred seven thousand, two hundred twenty".
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