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542445453 = 32115479247
BaseRepresentation
bin100000010101010…
…000111110001101
31101210201002021100
4200111100332031
52102331223303
6125454253313
716304465424
oct4025207615
91353632240
10542445453
11259218330
121317b7239
13884c6a54
14520842bb
153294e8a3
hex20550f8d

542445453 has 12 divisors (see below), whose sum is σ = 854762688. Its totient is φ = 328754760.

The previous prime is 542445413. The next prime is 542445461. The reversal of 542445453 is 354544245.

It is not a de Polignac number, because 542445453 - 29 = 542444941 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542445413) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2739525 + ... + 2739722.

It is an arithmetic number, because the mean of its divisors is an integer number (71230224).

Almost surely, 2542445453 is an apocalyptic number.

It is an amenable number.

542445453 is a deficient number, since it is larger than the sum of its proper divisors (312317235).

542445453 is a wasteful number, since it uses less digits than its factorization.

542445453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5479264 (or 5479261 counting only the distinct ones).

The product of its digits is 192000, while the sum is 36.

The square root of 542445453 is about 23290.4584111176. The cubic root of 542445453 is about 815.5526897096.

Adding to 542445453 its reverse (354544245), we get a palindrome (896989698).

The spelling of 542445453 in words is "five hundred forty-two million, four hundred forty-five thousand, four hundred fifty-three".

Divisors: 1 3 9 11 33 99 5479247 16437741 49313223 60271717 180815151 542445453