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550245141 = 32223274163
BaseRepresentation
bin100000110011000…
…001001100010101
31102100101100102200
4200303001030111
52111330321031
6130333355113
716431002145
oct4063011425
91370340380
10550245141
11262665356
12134338a99
1389cc7c54
1453114925
15334908e6
hex20cc1315

550245141 has 12 divisors (see below), whose sum is σ = 798365568. Its totient is φ = 365183784.

The previous prime is 550245139. The next prime is 550245161. The reversal of 550245141 is 141542055.

550245141 is a `hidden beast` number, since 550 + 24 + 51 + 41 = 666.

It is not a de Polignac number, because 550245141 - 21 = 550245139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550245161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135075 + ... + 139088.

It is an arithmetic number, because the mean of its divisors is an integer number (66530464).

Almost surely, 2550245141 is an apocalyptic number.

It is an amenable number.

550245141 is a deficient number, since it is larger than the sum of its proper divisors (248120427).

550245141 is a wasteful number, since it uses less digits than its factorization.

550245141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274392 (or 274389 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 550245141 is about 23457.3046405592. The cubic root of 550245141 is about 819.4429793296.

Adding to 550245141 its reverse (141542055), we get a palindrome (691787196).

The spelling of 550245141 in words is "five hundred fifty million, two hundred forty-five thousand, one hundred forty-one".

Divisors: 1 3 9 223 669 2007 274163 822489 2467467 61138349 183415047 550245141