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138048573 = 3137694603
BaseRepresentation
bin10000011101001…
…11010000111101
3100121202121001010
420032213100331
5240320023243
621410505433
73264251655
oct1016472075
9317677033
10138048573
1170a19a33
123a295279
13227a6060
1414497365
15c1bd433
hex83a743d

138048573 has 16 divisors (see below), whose sum is σ = 198524480. Its totient is φ = 84824064.

The previous prime is 138048529. The next prime is 138048577. The reversal of 138048573 is 375840831.

138048573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 138048573 - 29 = 138048061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138048577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27690 + ... + 32292.

It is an arithmetic number, because the mean of its divisors is an integer number (12407780).

Almost surely, 2138048573 is an apocalyptic number.

138048573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

138048573 is a deficient number, since it is larger than the sum of its proper divisors (60475907).

138048573 is a wasteful number, since it uses less digits than its factorization.

138048573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5388.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 138048573 is about 11749.4073467558. The cubic root of 138048573 is about 516.8255481308.

The spelling of 138048573 in words is "one hundred thirty-eight million, forty-eight thousand, five hundred seventy-three".

Divisors: 1 3 13 39 769 2307 4603 9997 13809 29991 59839 179517 3539707 10619121 46016191 138048573