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550106440 = 235131057897
BaseRepresentation
bin100000110010011…
…111010101001000
31102100010022011121
4200302133111020
52111311401230
6130330405024
716426553602
oct4062372510
91370108147
10550106440
11262580124
12134290774
1389c79a90
14530ba172
153346477a
hex20c9f548

550106440 has 32 divisors (see below), whose sum is σ = 1332951480. Its totient is φ = 203116032.

The previous prime is 550106429. The next prime is 550106461. The reversal of 550106440 is 44601055.

It can be written as a sum of positive squares in 4 ways, for example, as 257217444 + 292888996 = 16038^2 + 17114^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 528429 + ... + 529468.

Almost surely, 2550106440 is an apocalyptic number.

It is an amenable number.

550106440 is an abundant number, since it is smaller than the sum of its proper divisors (782845040).

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

550106440 is a wasteful number, since it uses less digits than its factorization.

550106440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057921 (or 1057917 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 550106440 is about 23454.3479977594. The cubic root of 550106440 is about 819.3741208618.

Adding to 550106440 its reverse (44601055), we get a palindrome (594707495).

The spelling of 550106440 in words is "five hundred fifty million, one hundred six thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 1057897 2115794 4231588 5289485 8463176 10578970 13752661 21157940 27505322 42315880 55010644 68763305 110021288 137526610 275053220 550106440