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38305060 = 2251915253
BaseRepresentation
bin1001001000011…
…1110100100100
32200002002122221
42102013310210
534301230220
63445002124
7643405363
oct222076444
980062587
1038305060
111a693182
12109b3344
137c22221
1451317da
1535699aa
hex2487d24

38305060 has 12 divisors (see below), whose sum is σ = 80440668. Its totient is φ = 15322016.

The previous prime is 38305049. The next prime is 38305067. The reversal of 38305060 is 6050383.

It can be written as a sum of positive squares in 2 ways, for example, as 28965924 + 9339136 = 5382^2 + 3056^2 .

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (38305067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 957607 + ... + 957646.

It is an arithmetic number, because the mean of its divisors is an integer number (6703389).

Almost surely, 238305060 is an apocalyptic number.

It is an amenable number.

38305060 is an abundant number, since it is smaller than the sum of its proper divisors (42135608).

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

38305060 is a wasteful number, since it uses less digits than its factorization.

38305060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915262 (or 1915260 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 38305060 is about 6189.1081748504. The cubic root of 38305060 is about 337.0947967429.

The spelling of 38305060 in words is "thirty-eight million, three hundred five thousand, sixty".

Divisors: 1 2 4 5 10 20 1915253 3830506 7661012 9576265 19152530 38305060