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542007189 = 3260223021
BaseRepresentation
bin100000010011100…
…101111110010101
31101202212211002100
4200103211332111
52102223212224
6125441032313
716300661613
oct4023457625
91352784070
10542007189
11258a49029
12131625699
13883a2419
1451dac6b3
15328b4ac9
hex204e5f95

542007189 has 6 divisors (see below), whose sum is σ = 782899286. Its totient is φ = 361338120.

The previous prime is 542007173. The next prime is 542007197. The reversal of 542007189 is 981700245.

542007189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 362902500 + 179104689 = 19050^2 + 13383^2 .

It is not a de Polignac number, because 542007189 - 24 = 542007173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542007139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30111502 + ... + 30111519.

Almost surely, 2542007189 is an apocalyptic number.

It is an amenable number.

542007189 is a deficient number, since it is larger than the sum of its proper divisors (240892097).

542007189 is a wasteful number, since it uses less digits than its factorization.

542007189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60223027 (or 60223024 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 542007189 is about 23281.0478501291. The cubic root of 542007189 is about 815.3329910066.

The spelling of 542007189 in words is "five hundred forty-two million, seven thousand, one hundred eighty-nine".

Divisors: 1 3 9 60223021 180669063 542007189