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429612189 = 3281509623
BaseRepresentation
bin11001100110110…
…101110010011101
31002221101120010120
4121212311302131
51334440042224
6110344025153
713434433446
oct3146656235
91087346116
10429612189
11200560aa6
12bba621b9
136b00bbc6
14410b22cd
1527ab2779
hex199b5c9d

429612189 has 8 divisors (see below), whose sum is σ = 574855872. Its totient is φ = 285388320.

The previous prime is 429612179. The next prime is 429612221. The reversal of 429612189 is 981216924.

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

It is not a de Polignac number, because 429612189 - 213 = 429603997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 429612189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429612149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253969 + ... + 255654.

It is an arithmetic number, because the mean of its divisors is an integer number (71856984).

Almost surely, 2429612189 is an apocalyptic number.

It is an amenable number.

429612189 is a deficient number, since it is larger than the sum of its proper divisors (145243683).

429612189 is a wasteful number, since it uses less digits than its factorization.

429612189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509907.

The product of its digits is 62208, while the sum is 42.

The square root of 429612189 is about 20727.0882904474. The cubic root of 429612189 is about 754.5572533901.

It can be divided in two parts, 42961 and 2189, that added together give a triangular number (45150 = T300).

The spelling of 429612189 in words is "four hundred twenty-nine million, six hundred twelve thousand, one hundred eighty-nine".

Divisors: 1 3 281 843 509623 1528869 143204063 429612189