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BaseRepresentation
bin1010010110101…
…0101100111101
310000201101221020
42211222230331
542104204134
64150454353
71035065124
oct245525475
9100641836
1043428669
1122572669
12126643b9
138cc734b
145aa6abb
153c2cb49
hex296ab3d

43428669 has 8 divisors (see below), whose sum is σ = 60422592. Its totient is φ = 27693600.

The previous prime is 43428647. The next prime is 43428703. The reversal of 43428669 is 96682434.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2k-43428669 is a prime.

It is a super-2 number, since 2×434286692 = 3772098582223122, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 43428669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43428629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314632 + ... + 314769.

It is an arithmetic number, because the mean of its divisors is an integer number (7552824).

Almost surely, 243428669 is an apocalyptic number.

It is an amenable number.

43428669 is a deficient number, since it is larger than the sum of its proper divisors (16993923).

43428669 is a wasteful number, since it uses less digits than its factorization.

43428669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629427.

The product of its digits is 248832, while the sum is 42.

The square root of 43428669 is about 6590.0431713305. The cubic root of 43428669 is about 351.5001433266.

The spelling of 43428669 in words is "forty-three million, four hundred twenty-eight thousand, six hundred sixty-nine".

Divisors: 1 3 23 69 629401 1888203 14476223 43428669