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789141421 = 1947883697
BaseRepresentation
bin101111000010010…
…101011110101101
32000222220112112001
4233002111132231
53104010011141
6210150012301
725361406565
oct5702253655
92028815461
10789141421
113754a46a2
121a0347091
13c76505b3
1476b3dda5
154942ea31
hex2f0957ad

789141421 has 8 divisors (see below), whose sum is σ = 848350080. Its totient is φ = 731700288.

The previous prime is 789141413. The next prime is 789141443. The reversal of 789141421 is 124141987.

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 789141421 - 23 = 789141413 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 (789141481) 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, 440956 + ... + 442741.

It is an arithmetic number, because the mean of its divisors is an integer number (106043760).

Almost surely, 2789141421 is an apocalyptic number.

It is an amenable number.

789141421 is a deficient number, since it is larger than the sum of its proper divisors (59208659).

789141421 is a wasteful number, since it uses less digits than its factorization.

789141421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883763.

The product of its digits is 16128, while the sum is 37.

The square root of 789141421 is about 28091.6610580435. The cubic root of 789141421 is about 924.0985309525.

The spelling of 789141421 in words is "seven hundred eighty-nine million, one hundred forty-one thousand, four hundred twenty-one".

Divisors: 1 19 47 893 883697 16790243 41533759 789141421