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8133924 = 223677827
BaseRepresentation
bin11111000001110100100100
3120022020122110
4133001310210
54040241144
6450201020
7126065031
oct37016444
916266573
108133924
114656157
122883170
1318ba396
14111a388
15aaa0b9
hex7c1d24

8133924 has 12 divisors (see below), whose sum is σ = 18979184. Its totient is φ = 2711304.

The previous prime is 8133913. The next prime is 8133929. The reversal of 8133924 is 4293318.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 8133891 and 8133900.

It is not an unprimeable number, because it can be changed into a prime (8133929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338902 + ... + 338925.

Almost surely, 28133924 is an apocalyptic number.

It is an amenable number.

8133924 is an abundant number, since it is smaller than the sum of its proper divisors (10845260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8133924 is a wasteful number, since it uses less digits than its factorization.

8133924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677834 (or 677832 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 8133924 is about 2852.0035063092. The cubic root of 8133924 is about 201.1098629617.

Subtracting from 8133924 its reverse (4293318), we obtain a triangular number (3840606 = T2771).

The spelling of 8133924 in words is "eight million, one hundred thirty-three thousand, nine hundred twenty-four".

Divisors: 1 2 3 4 6 12 677827 1355654 2033481 2711308 4066962 8133924