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30052060 = 2255328351
BaseRepresentation
bin111001010100…
…0111011011100
32002112210200021
41302220323130
530143131220
62552041524
7513303223
oct162507334
962483607
1030052060
1115a66615
12a0932a4
1362c28ac
143dc3cba
1529894aa
hex1ca8edc

30052060 has 24 divisors (see below), whose sum is σ = 64302336. Its totient is φ = 11793600.

The previous prime is 30052049. The next prime is 30052081. The reversal of 30052060 is 6025003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13116 + ... + 15235.

It is an arithmetic number, because the mean of its divisors is an integer number (2679264).

Almost surely, 230052060 is an apocalyptic number.

It is an amenable number.

30052060 is an abundant number, since it is smaller than the sum of its proper divisors (34250276).

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

30052060 is a wasteful number, since it uses less digits than its factorization.

30052060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28413 (or 28411 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 30052060 is about 5481.9759211438. The cubic root of 30052060 is about 310.9028828662.

Adding to 30052060 its reverse (6025003), we get a palindrome (36077063).

The spelling of 30052060 in words is "thirty million, fifty-two thousand, sixty", and thus it is an eban number.

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 28351 56702 113404 141755 283510 567020 1502603 3005206 6010412 7513015 15026030 30052060