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8149427 = 111356989
BaseRepresentation
bin11111000101100110110011
3120100000220122
4133011212303
54041240202
6450400455
7126161156
oct37054663
916300818
108149427
114666870
12289012b
1318c4460
141121c9d
15aae9a2
hex7c59b3

8149427 has 8 divisors (see below), whose sum is σ = 9574320. Its totient is φ = 6838560.

The previous prime is 8149381. The next prime is 8149457. The reversal of 8149427 is 7249418.

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 8149427 - 26 = 8149363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8149457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28352 + ... + 28637.

It is an arithmetic number, because the mean of its divisors is an integer number (1196790).

Almost surely, 28149427 is an apocalyptic number.

8149427 is a deficient number, since it is larger than the sum of its proper divisors (1424893).

8149427 is a wasteful number, since it uses less digits than its factorization.

8149427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57013.

The product of its digits is 16128, while the sum is 35.

The square root of 8149427 is about 2854.7201263872. The cubic root of 8149427 is about 201.2375515364.

Subtracting from 8149427 its reverse (7249418), we obtain a palindrome (900009).

The spelling of 8149427 in words is "eight million, one hundred forty-nine thousand, four hundred twenty-seven".

Divisors: 1 11 13 143 56989 626879 740857 8149427