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38529189 = 34475669
BaseRepresentation
bin1001001011111…
…0100010100101
32200111111010000
42102332202211
534330413224
63453451513
7645330666
oct222764245
980444100
1038529189
111a826606
1210aa0b99
137ca024a
14518d36d
1535b10c9
hex24be8a5

38529189 has 10 divisors (see below), whose sum is σ = 57556070. Its totient is φ = 25686072.

The previous prime is 38529167. The next prime is 38529193. The reversal of 38529189 is 98192583.

It is a happy number.

38529189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 35605089 + 2924100 = 5967^2 + 1710^2 .

It is not a de Polignac number, because 38529189 - 215 = 38496421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38529119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 237754 + ... + 237915.

It is an arithmetic number, because the mean of its divisors is an integer number (5755607).

Almost surely, 238529189 is an apocalyptic number.

It is an amenable number.

38529189 is a deficient number, since it is larger than the sum of its proper divisors (19026881).

38529189 is an equidigital number, since it uses as much as digits as its factorization.

38529189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475681 (or 475672 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 38529189 is about 6207.1884939963. The cubic root of 38529189 is about 337.7509836787.

It can be divided in two parts, 3852 and 9189, that added together give a triangular number (13041 = T161).

The spelling of 38529189 in words is "thirty-eight million, five hundred twenty-nine thousand, one hundred eighty-nine".

Divisors: 1 3 9 27 81 475669 1427007 4281021 12843063 38529189