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550408068 = 223374671559
BaseRepresentation
bin100000110011101…
…000111110000100
31102100200121221000
4200303220332010
52111401024233
6130341053300
716432251150
oct4063507604
91370617830
10550408068
11262766801
121343b7230
138a054162
1453158060
15334c3d13
hex20ce8f84

550408068 has 96 divisors (see below), whose sum is σ = 1635379200. Its totient is φ = 156822048.

The previous prime is 550408057. The next prime is 550408121. The reversal of 550408068 is 860804055.

It is a happy number.

550408068 is a `hidden beast` number, since 550 + 40 + 8 + 0 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 31 ways as a sum of consecutive naturals, for example, 352273 + ... + 353831.

It is an arithmetic number, because the mean of its divisors is an integer number (17035200).

Almost surely, 2550408068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550408068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (817689600).

550408068 is an abundant number, since it is smaller than the sum of its proper divisors (1084971132).

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

550408068 is a wasteful number, since it uses less digits than its factorization.

550408068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046 (or 2038 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 550408068 is about 23460.7772249770. Note that the first 3 decimals coincide. The cubic root of 550408068 is about 819.5238500792.

The spelling of 550408068 in words is "five hundred fifty million, four hundred eight thousand, sixty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 467 756 934 1401 1559 1868 2802 3118 3269 4203 4677 5604 6236 6538 8406 9354 9807 10913 12609 13076 14031 16812 18708 19614 21826 25218 28062 29421 32739 39228 42093 43652 50436 56124 58842 65478 84186 88263 98217 117684 130956 168372 176526 196434 294651 353052 392868 589302 728053 1178604 1456106 2184159 2912212 4368318 5096371 6552477 8736636 10192742 13104954 15289113 19657431 20385484 26209908 30578226 39314862 45867339 61156452 78629724 91734678 137602017 183469356 275204034 550408068