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550752169 = 113111314293
BaseRepresentation
bin100000110100111…
…100111110101001
31102101100002221111
4200310330332221
52111443032134
6130352310321
716435213312
oct4064747651
91371302844
10550752169
11262981290
121345423a1
138a144976
1453207609
1533540c64
hex20d3cfa9

550752169 has 16 divisors (see below), whose sum is σ = 625734144. Its totient is φ = 480211200.

The previous prime is 550752161. The next prime is 550752173. The reversal of 550752169 is 961257055.

It is a cyclic number.

It is not a de Polignac number, because 550752169 - 23 = 550752161 is a prime.

It is a super-2 number, since 2×5507521692 = 606655903316409122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550752161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31387 + ... + 45679.

It is an arithmetic number, because the mean of its divisors is an integer number (39108384).

Almost surely, 2550752169 is an apocalyptic number.

It is an amenable number.

550752169 is a deficient number, since it is larger than the sum of its proper divisors (74981975).

550752169 is a wasteful number, since it uses less digits than its factorization.

550752169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14448.

The product of its (nonzero) digits is 94500, while the sum is 40.

The square root of 550752169 is about 23468.1096170953. The cubic root of 550752169 is about 819.6945962625.

The spelling of 550752169 in words is "five hundred fifty million, seven hundred fifty-two thousand, one hundred sixty-nine".

Divisors: 1 11 31 113 341 1243 3503 14293 38533 157223 443083 1615109 4873913 17766199 50068379 550752169