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3005886 = 231389433
BaseRepresentation
bin1011011101110110111110
312122201022010
423131312332
51232142021
6144232050
734356342
oct13356676
95581263
103005886
111773404
12100b626
13813240
14583622
153e5976
hex2dddbe

3005886 has 32 divisors (see below), whose sum is σ = 6562080. Its totient is φ = 912384.

The previous prime is 3005881. The next prime is 3005909. The reversal of 3005886 is 6885003.

It is a super-3 number, since 3×30058863 = 81477702026653339368, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3005881) 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, 6726 + ... + 7158.

It is an arithmetic number, because the mean of its divisors is an integer number (205065).

Almost surely, 23005886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3005886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3281040).

3005886 is an abundant number, since it is smaller than the sum of its proper divisors (3556194).

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

3005886 is a wasteful number, since it uses less digits than its factorization.

3005886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540.

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

The square root of 3005886 is about 1733.7491167986. The cubic root of 3005886 is about 144.3192185325.

The spelling of 3005886 in words is "three million, five thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 13 26 39 78 89 178 267 433 534 866 1157 1299 2314 2598 3471 5629 6942 11258 16887 33774 38537 77074 115611 231222 500981 1001962 1502943 3005886