Search a number
-
+
138048574 = 2671910273
BaseRepresentation
bin10000011101001…
…11010000111110
3100121202121001011
420032213100332
5240320023244
621410505434
73264251656
oct1016472076
9317677034
10138048574
1170a19a34
123a29527a
13227a6061
1414497366
15c1bd434
hex83a743e

138048574 has 8 divisors (see below), whose sum is σ = 207123840. Its totient is φ = 69007296.

The previous prime is 138048529. The next prime is 138048577. The reversal of 138048574 is 475840831.

138048574 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 8302 + ... + 18574.

It is an arithmetic number, because the mean of its divisors is an integer number (25890480).

Almost surely, 2138048574 is an apocalyptic number.

138048574 is a deficient number, since it is larger than the sum of its proper divisors (69075266).

138048574 is a wasteful number, since it uses less digits than its factorization.

138048574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16994.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 138048574 is about 11749.4073893112. The cubic root of 138048574 is about 516.8255493788.

The spelling of 138048574 in words is "one hundred thirty-eight million, forty-eight thousand, five hundred seventy-four".

Divisors: 1 2 6719 10273 13438 20546 69024287 138048574