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8939423 = 97157587
BaseRepresentation
bin100010000110…
…011110011111
3121211011120202
4202012132133
54242030143
6515334115
7135661313
oct42063637
917734522
108939423
115056359
122bb133b
131b0cbcc
141289b43
15bb8ab8
hex88679f

8939423 has 8 divisors (see below), whose sum is σ = 9104592. Its totient is φ = 8775936.

The previous prime is 8939419. The next prime is 8939431. The reversal of 8939423 is 3249398.

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 8939423 - 22 = 8939419 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 (8939023) 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, 14936 + ... + 15522.

It is an arithmetic number, because the mean of its divisors is an integer number (1138074).

Almost surely, 28939423 is an apocalyptic number.

8939423 is a deficient number, since it is larger than the sum of its proper divisors (165169).

8939423 is a wasteful number, since it uses less digits than its factorization.

8939423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841.

The product of its digits is 46656, while the sum is 38.

The square root of 8939423 is about 2989.8867871543. The cubic root of 8939423 is about 207.5406452531.

The spelling of 8939423 in words is "eight million, nine hundred thirty-nine thousand, four hundred twenty-three".

Divisors: 1 97 157 587 15229 56939 92159 8939423