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930012389 = 4122683229
BaseRepresentation
bin110111011011101…
…101110011100101
32101210222112011022
4313123231303211
53401040344024
6232141220525
732021655245
oct6733556345
92353875138
10930012389
11437a71089
1221b561745
1311a8a41b7
148b72db25
15569a935e
hex376edce5

930012389 has 4 divisors (see below), whose sum is σ = 952695660. Its totient is φ = 907329120.

The previous prime is 930012379. The next prime is 930012401. The reversal of 930012389 is 983210039.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 450840289 + 479172100 = 21233^2 + 21890^2 .

It is a cyclic number.

It is not a de Polignac number, because 930012389 - 24 = 930012373 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 (930012329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11341574 + ... + 11341655.

It is an arithmetic number, because the mean of its divisors is an integer number (238173915).

Almost surely, 2930012389 is an apocalyptic number.

It is an amenable number.

930012389 is a deficient number, since it is larger than the sum of its proper divisors (22683271).

930012389 is a wasteful number, since it uses less digits than its factorization.

930012389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22683270.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 930012389 is about 30496.1044889343. The cubic root of 930012389 is about 976.1043420231.

The spelling of 930012389 in words is "nine hundred thirty million, twelve thousand, three hundred eighty-nine".

Divisors: 1 41 22683229 930012389