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8148141 = 332313121
BaseRepresentation
bin11111000101010010101101
3120022222011000
4133011102231
54041220031
6450350513
7126154341
oct37052255
916288130
108148141
114665901
12288b439
1318c39b1
141121621
15aae3e6
hex7c54ad

8148141 has 16 divisors (see below), whose sum is σ = 12597120. Its totient is φ = 5195520.

The previous prime is 8148137. The next prime is 8148181. The reversal of 8148141 is 1418418.

It is not a de Polignac number, because 8148141 - 22 = 8148137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8148181) 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 15 ways as a sum of consecutive naturals, for example, 5940 + ... + 7181.

It is an arithmetic number, because the mean of its divisors is an integer number (787320).

Almost surely, 28148141 is an apocalyptic number.

It is an amenable number.

8148141 is a deficient number, since it is larger than the sum of its proper divisors (4448979).

8148141 is a wasteful number, since it uses less digits than its factorization.

8148141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13153 (or 13147 counting only the distinct ones).

The product of its digits is 1024, while the sum is 27.

The square root of 8148141 is about 2854.4948765062. The cubic root of 8148141 is about 201.2269657162.

The spelling of 8148141 in words is "eight million, one hundred forty-eight thousand, one hundred forty-one".

Divisors: 1 3 9 23 27 69 207 621 13121 39363 118089 301783 354267 905349 2716047 8148141