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3285381 = 311293433
BaseRepresentation
bin1100100010000110000101
320011220200210
430202012011
51320113011
6154230033
736632241
oct14420605
96156623
103285381
1119443a0
121125319
138b0518
14617421
1544d6a6
hex322185

3285381 has 16 divisors (see below), whose sum is σ = 4944960. Its totient is φ = 1921920.

The previous prime is 3285377. The next prime is 3285407. The reversal of 3285381 is 1835823.

It is a happy number.

It is not a de Polignac number, because 3285381 - 22 = 3285377 is a prime.

It is a super-2 number, since 2×32853812 = 21587456630322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3285181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 760 + ... + 2673.

It is an arithmetic number, because the mean of its divisors is an integer number (309060).

Almost surely, 23285381 is an apocalyptic number.

It is an amenable number.

3285381 is a deficient number, since it is larger than the sum of its proper divisors (1659579).

3285381 is a wasteful number, since it uses less digits than its factorization.

3285381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476.

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

The square root of 3285381 is about 1812.5619989396. The cubic root of 3285381 is about 148.6603829001.

The spelling of 3285381 in words is "three million, two hundred eighty-five thousand, three hundred eighty-one".

Divisors: 1 3 11 29 33 87 319 957 3433 10299 37763 99557 113289 298671 1095127 3285381