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550133144 = 231119329027
BaseRepresentation
bin100000110010100…
…101110110011000
31102100011122210122
4200302211312120
52111313230034
6130331132412
716430024501
oct4062456630
91370148718
10550133144
112625991a0
121342a4108
1389c88c92
14530c5ba8
153346c62e
hex20ca5d98

550133144 has 32 divisors (see below), whose sum is σ = 1184500800. Its totient is φ = 236898720.

The previous prime is 550133123. The next prime is 550133179. The reversal of 550133144 is 441331055.

It is a super-2 number, since 2×5501331442 = 605292952254649472, which contains 22 as substring.

It is a congruent number.

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, 162842 + ... + 166185.

It is an arithmetic number, because the mean of its divisors is an integer number (37015650).

Almost surely, 2550133144 is an apocalyptic number.

It is an amenable number.

550133144 is an abundant number, since it is smaller than the sum of its proper divisors (634367656).

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

550133144 is a wasteful number, since it uses less digits than its factorization.

550133144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329063 (or 329059 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 550133144 is about 23454.9172669613. The cubic root of 550133144 is about 819.3873790308.

Adding to 550133144 its reverse (441331055), we get a palindrome (991464199).

The spelling of 550133144 in words is "five hundred fifty million, one hundred thirty-three thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 19 22 38 44 76 88 152 209 418 836 1672 329027 658054 1316108 2632216 3619297 6251513 7238594 12503026 14477188 25006052 28954376 50012104 68766643 137533286 275066572 550133144