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302052 = 22325171
BaseRepresentation
bin1001001101111100100
3120100100010
41021233210
534131202
610250220
72365422
oct1115744
9510303
10302052
11196a33
12126970
13a763a
147c112
155e76c
hex49be4

302052 has 12 divisors (see below), whose sum is σ = 704816. Its totient is φ = 100680.

The previous prime is 302009. The next prime is 302053. The reversal of 302052 is 250203.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 25171 = 302052 / (3 + 0 + 2 + 0 + 5 + 2).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (302053) by changing a digit.

302052 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 3 ways as a sum of consecutive naturals, for example, 12574 + ... + 12597.

2302052 is an apocalyptic number.

It is an amenable number.

302052 is an abundant number, since it is smaller than the sum of its proper divisors (402764).

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

302052 is a wasteful number, since it uses less digits than its factorization.

302052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25178 (or 25176 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 302052 is about 549.5925763691. The cubic root of 302052 is about 67.0955790392.

Adding to 302052 its reverse (250203), we get a palindrome (552255).

The spelling of 302052 in words is "three hundred two thousand, fifty-two".

Divisors: 1 2 3 4 6 12 25171 50342 75513 100684 151026 302052