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542169 = 32107563
BaseRepresentation
bin10000100010111011001
31000112201100
42010113121
5114322134
615342013
74415445
oct2042731
91015640
10542169
11340381
12221909
1315ca14
14101825
15aa999
hex845d9

542169 has 12 divisors (see below), whose sum is σ = 791856. Its totient is φ = 357432.

The previous prime is 542167. The next prime is 542183. The reversal of 542169 is 961245.

It is not a de Polignac number, because 542169 - 21 = 542167 is a prime.

It is a super-2 number, since 2×5421692 = 587894449122, which contains 22 as substring.

It is a d-powerful number, because it can be written as 5 + 49 + 1 + 2 + 67 + 92 .

It is a nialpdrome in base 15.

It is a zygodrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (542167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 682 + ... + 1244.

It is an arithmetic number, because the mean of its divisors is an integer number (65988).

2542169 is an apocalyptic number.

It is an amenable number.

542169 is a deficient number, since it is larger than the sum of its proper divisors (249687).

542169 is a wasteful number, since it uses less digits than its factorization.

542169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 673 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 542169 is about 736.3212614070. The cubic root of 542169 is about 81.5414119525.

The spelling of 542169 in words is "five hundred forty-two thousand, one hundred sixty-nine".

Divisors: 1 3 9 107 321 563 963 1689 5067 60241 180723 542169