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305052 = 223112311
BaseRepresentation
bin1001010011110011100
3120111110020
41022132130
534230202
610312140
72410236
oct1123634
9514406
10305052
11199210
12128650
13a8b07
147d256
15605bc
hex4a79c

305052 has 24 divisors (see below), whose sum is σ = 776832. Its totient is φ = 92400.

The previous prime is 305047. The next prime is 305069. The reversal of 305052 is 250503.

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

It is a congruent number.

It is an unprimeable number.

305052 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1024 + ... + 1287.

It is an arithmetic number, because the mean of its divisors is an integer number (32368).

2305052 is an apocalyptic number.

It is an amenable number.

305052 is an abundant number, since it is smaller than the sum of its proper divisors (471780).

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

305052 is a wasteful number, since it uses less digits than its factorization.

305052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329 (or 2327 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 305052 is about 552.3151274408. The cubic root of 305052 is about 67.3169802023.

Adding to 305052 its reverse (250503), we get a palindrome (555555).

The spelling of 305052 in words is "three hundred five thousand, fifty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 2311 4622 6933 9244 13866 25421 27732 50842 76263 101684 152526 305052