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6268129 = 72127921
BaseRepresentation
bin10111111010010011100001
3102210110020221
4113322103201
53101040004
6342203041
7104164300
oct27722341
912713227
106268129
1135a137a
122123481
1313b606a
14b92437
1583c354
hex5fa4e1

6268129 has 6 divisors (see below), whose sum is σ = 7291554. Its totient is φ = 5372640.

The previous prime is 6268127. The next prime is 6268159. The reversal of 6268129 is 9218626.

It is a happy number.

6268129 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5664400 + 603729 = 2380^2 + 777^2 .

It is not a de Polignac number, because 6268129 - 21 = 6268127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6268094 and 6268103.

It is not an unprimeable number, because it can be changed into a prime (6268127) 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 5 ways as a sum of consecutive naturals, for example, 63912 + ... + 64009.

It is an arithmetic number, because the mean of its divisors is an integer number (1215259).

Almost surely, 26268129 is an apocalyptic number.

It is an amenable number.

6268129 is a deficient number, since it is larger than the sum of its proper divisors (1023425).

6268129 is a wasteful number, since it uses less digits than its factorization.

6268129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127935 (or 127928 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 6268129 is about 2503.6231745213. The cubic root of 6268129 is about 184.3795038256.

The spelling of 6268129 in words is "six million, two hundred sixty-eight thousand, one hundred twenty-nine".

Divisors: 1 7 49 127921 895447 6268129