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434972689 = 1738592927
BaseRepresentation
bin11001111011010…
…010100000010001
31010022110220100121
4121323102200101
51342323111224
6111054550241
713531130644
oct3173224021
91108426317
10434972689
11203592468
12101808381
136c167ab8
1441aa9a5b
15282c0be4
hex19ed2811

434972689 has 8 divisors (see below), whose sum is σ = 438145920. Its totient is φ = 431807376.

The previous prime is 434972669. The next prime is 434972723. The reversal of 434972689 is 986279434.

It is a happy number.

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 434972689 - 29 = 434972177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434972609) 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 7 ways as a sum of consecutive naturals, for example, 147144 + ... + 150070.

It is an arithmetic number, because the mean of its divisors is an integer number (54768240).

Almost surely, 2434972689 is an apocalyptic number.

It is an amenable number.

434972689 is a deficient number, since it is larger than the sum of its proper divisors (3173231).

434972689 is a wasteful number, since it uses less digits than its factorization.

434972689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3959.

The product of its digits is 2612736, while the sum is 52.

The square root of 434972689 is about 20855.9988732259. The cubic root of 434972689 is about 757.6826277450.

The spelling of 434972689 in words is "four hundred thirty-four million, nine hundred seventy-two thousand, six hundred eighty-nine".

Divisors: 1 173 859 2927 148607 506371 2514293 434972689