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3285138 = 231928817
BaseRepresentation
bin1100100010000010010010
320011220100210
430202002102
51320111023
6154224550
736631443
oct14420222
96156323
103285138
11194419a
121125156
138b038c
146172ca
1544d593
hex322092

3285138 has 16 divisors (see below), whose sum is σ = 6916320. Its totient is φ = 1037376.

The previous prime is 3285127. The next prime is 3285167. The reversal of 3285138 is 8315823.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14295 + ... + 14522.

It is an arithmetic number, because the mean of its divisors is an integer number (432270).

Almost surely, 23285138 is an apocalyptic number.

3285138 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3285138 is an abundant number, since it is smaller than the sum of its proper divisors (3631182).

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

3285138 is a wasteful number, since it uses less digits than its factorization.

3285138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28841.

The product of its digits is 5760, while the sum is 30.

The square root of 3285138 is about 1812.4949655102. The cubic root of 3285138 is about 148.6567176363.

The spelling of 3285138 in words is "three million, two hundred eighty-five thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 19 38 57 114 28817 57634 86451 172902 547523 1095046 1642569 3285138