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550143234 = 23230563513
BaseRepresentation
bin100000110010101…
…000010100000010
31102100012011122100
4200302220110002
52111314040414
6130331251230
716430066064
oct4062502402
91370164570
10550143234
112625a5833
121342a9b16
1389c90754
14530c9734
1533470609
hex20ca8502

550143234 has 12 divisors (see below), whose sum is σ = 1191977046. Its totient is φ = 183381072.

The previous prime is 550143211. The next prime is 550143301. The reversal of 550143234 is 432341055.

It can be written as a sum of positive squares in only one way, i.e., 506385009 + 43758225 = 22503^2 + 6615^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 550143198 and 550143207.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15281739 + ... + 15281774.

Almost surely, 2550143234 is an apocalyptic number.

550143234 is an abundant number, since it is smaller than the sum of its proper divisors (641833812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550143234 is a wasteful number, since it uses less digits than its factorization.

550143234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30563521 (or 30563518 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 550143234 is about 23455.1323594645. The cubic root of 550143234 is about 819.3923884655.

Adding to 550143234 its reverse (432341055), we get a palindrome (982484289).

The spelling of 550143234 in words is "five hundred fifty million, one hundred forty-three thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 18 30563513 61127026 91690539 183381078 275071617 550143234