Base | Representation |
---|---|
bin | 100000110010100… |
… | …100110100001110 |
3 | 1102100011102222211 |
4 | 200302210310032 |
5 | 2111313111120 |
6 | 130331101034 |
7 | 16430006242 |
oct | 4062446416 |
9 | 1370142884 |
10 | 550128910 |
11 | 262595aa1 |
12 | 1342a177a |
13 | 89c87086 |
14 | 530c4422 |
15 | 3346b25a |
hex | 20ca4d0e |
550128910 has 16 divisors (see below), whose sum is σ = 993176496. Its totient is φ = 219397248.
The previous prime is 550128853. The next prime is 550128911. The reversal of 550128910 is 19821055.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (550128911) 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, 78252 + ... + 84991.
It is an arithmetic number, because the mean of its divisors is an integer number (62073531).
Almost surely, 2550128910 is an apocalyptic number.
550128910 is a deficient number, since it is larger than the sum of its proper divisors (443047586).
550128910 is a wasteful number, since it uses less digits than its factorization.
550128910 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163587.
The product of its (nonzero) digits is 3600, while the sum is 31.
The square root of 550128910 is about 23454.8270085285. The cubic root of 550128910 is about 819.3852769366.
Adding to 550128910 its reverse (19821055), we get a palindrome (569949965).
The spelling of 550128910 in words is "five hundred fifty million, one hundred twenty-eight thousand, nine hundred ten".
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