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550140730 = 25291897037
BaseRepresentation
bin100000110010100…
…111101100111010
31102100012001012121
4200302213230322
52111314000410
6130331231454
716430055556
oct4062475472
91370161177
10550140730
112625a3967
121342a858a
1389c8c579
14530c8866
153346e9da
hex20ca7b3a

550140730 has 16 divisors (see below), whose sum is σ = 1024400520. Its totient is φ = 212468032.

The previous prime is 550140719. The next prime is 550140737. The reversal of 550140730 is 37041055.

550140730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 436099689 + 114041041 = 20883^2 + 10679^2 .

It is a junction number, because it is equal to n+sod(n) for n = 550140695 and 550140704.

It is not an unprimeable number, because it can be changed into a prime (550140737) 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, 948229 + ... + 948808.

Almost surely, 2550140730 is an apocalyptic number.

550140730 is a deficient number, since it is larger than the sum of its proper divisors (474259790).

550140730 is a wasteful number, since it uses less digits than its factorization.

550140730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897073.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 550140730 is about 23455.0789808945. The cubic root of 550140730 is about 819.3911452973.

Adding to 550140730 its reverse (37041055), we get a palindrome (587181785).

The spelling of 550140730 in words is "five hundred fifty million, one hundred forty thousand, seven hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 1897037 3794074 9485185 18970370 55014073 110028146 275070365 550140730