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532381189 = 7311176529
BaseRepresentation
bin11111101110110…
…111111000000101
31101002202202200211
4133232313320011
52042242144224
6124454435421
716123110514
oct3756677005
91332682624
10532381189
1125357395a
1212a362b71
13863b1b72
14509c467b
1531b12894
hex1fbb7e05

532381189 has 8 divisors (see below), whose sum is σ = 540239960. Its totient is φ = 524537856.

The previous prime is 532381181. The next prime is 532381229. The reversal of 532381189 is 981183235.

It can be written as a sum of positive squares in 4 ways, for example, as 5678689 + 526702500 = 2383^2 + 22950^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 532381189 - 23 = 532381181 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 (532381181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78277 + ... + 84805.

It is an arithmetic number, because the mean of its divisors is an integer number (67529995).

Almost surely, 2532381189 is an apocalyptic number.

It is an amenable number.

532381189 is a deficient number, since it is larger than the sum of its proper divisors (7858771).

532381189 is a wasteful number, since it uses less digits than its factorization.

532381189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7719.

The product of its digits is 51840, while the sum is 40.

The square root of 532381189 is about 23073.3870292161. The cubic root of 532381189 is about 810.4773840903.

The spelling of 532381189 in words is "five hundred thirty-two million, three hundred eighty-one thousand, one hundred eighty-nine".

Divisors: 1 73 1117 6529 81541 476617 7292893 532381189