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3238129 = 3787517
BaseRepresentation
bin1100010110100011110001
320002111212201
430112203301
51312110004
6153223201
736344416
oct14264361
96074781
103238129
111911944
121101b01
13894b6b
1460410d
1543e6a4
hex3168f1

3238129 has 4 divisors (see below), whose sum is σ = 3325684. Its totient is φ = 3150576.

The previous prime is 3238127. The next prime is 3238133. The reversal of 3238129 is 9218323.

3238129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1495729 + 1742400 = 1223^2 + 1320^2 .

It is a cyclic number.

It is not a de Polignac number, because 3238129 - 21 = 3238127 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

3238129 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3238097 and 3238106.

It is not an unprimeable number, because it can be changed into a prime (3238121) 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, 43722 + ... + 43795.

It is an arithmetic number, because the mean of its divisors is an integer number (831421).

Almost surely, 23238129 is an apocalyptic number.

It is an amenable number.

3238129 is a deficient number, since it is larger than the sum of its proper divisors (87555).

3238129 is an equidigital number, since it uses as much as digits as its factorization.

3238129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87554.

The product of its digits is 2592, while the sum is 28.

The square root of 3238129 is about 1799.4802027252. The cubic root of 3238129 is about 147.9442357482.

The spelling of 3238129 in words is "three million, two hundred thirty-eight thousand, one hundred twenty-nine".

Divisors: 1 37 87517 3238129