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8839423657 = 76119076091
BaseRepresentation
bin10000011101101111…
…01110011010101001
3211211000221020200101
420032313232122221
5121100343024112
64021043305401
7432022601311
oct101667563251
924730836611
108839423657
113826695909
12186837b261
13aab41a3cc
145dbd76441
1536b05d757
hex20edee6a9

8839423657 has 8 divisors (see below), whose sum is σ = 8857134432. Its totient is φ = 8821730400.

The previous prime is 8839423651. The next prime is 8839423661. The reversal of 8839423657 is 7563249388.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8839423657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8839423598 and 8839423607.

It is not an unprimeable number, because it can be changed into a prime (8839423651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1448182 + ... + 1454272.

It is an arithmetic number, because the mean of its divisors is an integer number (1107141804).

Almost surely, 28839423657 is an apocalyptic number.

It is an amenable number.

8839423657 is a deficient number, since it is larger than the sum of its proper divisors (17710775).

8839423657 is a wasteful number, since it uses less digits than its factorization.

8839423657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8759.

The product of its digits is 8709120, while the sum is 55.

The square root of 8839423657 is about 94018.2091777970. The cubic root of 8839423657 is about 2067.6386881442.

The spelling of 8839423657 in words is "eight billion, eight hundred thirty-nine million, four hundred twenty-three thousand, six hundred fifty-seven".

Divisors: 1 761 1907 6091 1451227 4635251 11615537 8839423657