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3285129 = 31095043
BaseRepresentation
bin1100100010000010001001
320011220100110
430202002021
51320111004
6154224533
736631431
oct14420211
96156313
103285129
111944191
121125149
138b0383
146172c1
1544d589
hex322089

3285129 has 4 divisors (see below), whose sum is σ = 4380176. Its totient is φ = 2190084.

The previous prime is 3285127. The next prime is 3285167. The reversal of 3285129 is 9215823.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3285129 - 21 = 3285127 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3285096 and 3285105.

It is not an unprimeable number, because it can be changed into a prime (3285127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547519 + ... + 547524.

It is an arithmetic number, because the mean of its divisors is an integer number (1095044).

Almost surely, 23285129 is an apocalyptic number.

It is an amenable number.

3285129 is a deficient number, since it is larger than the sum of its proper divisors (1095047).

3285129 is a wasteful number, since it uses less digits than its factorization.

3285129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095046.

The product of its digits is 4320, while the sum is 30.

The square root of 3285129 is about 1812.4924827430. The cubic root of 3285129 is about 148.6565818823.

The spelling of 3285129 in words is "three million, two hundred eighty-five thousand, one hundred twenty-nine".

Divisors: 1 3 1095043 3285129