Search a number
-
+
38952729 = 3217254593
BaseRepresentation
bin1001010010010…
…1111100011001
32201022000002200
42110211330121
534432441404
63510520413
7652043544
oct224457431
981260080
1038952729
111aa95842
1211066109
1380bac6a
14525d85b
153646839
hex2525f19

38952729 has 12 divisors (see below), whose sum is σ = 59574996. Its totient is φ = 24440832.

The previous prime is 38952701. The next prime is 38952737. The reversal of 38952729 is 92725983.

38952729 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 2 ways, for example, as 29680704 + 9272025 = 5448^2 + 3045^2 .

It is not a de Polignac number, because 38952729 - 29 = 38952217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38952769) 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 11 ways as a sum of consecutive naturals, for example, 127144 + ... + 127449.

It is an arithmetic number, because the mean of its divisors is an integer number (4964583).

Almost surely, 238952729 is an apocalyptic number.

It is an amenable number.

38952729 is a deficient number, since it is larger than the sum of its proper divisors (20622267).

38952729 is a wasteful number, since it uses less digits than its factorization.

38952729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254616 (or 254613 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 38952729 is about 6241.2121418840. The cubic root of 38952729 is about 338.9840752694.

The spelling of 38952729 in words is "thirty-eight million, nine hundred fifty-two thousand, seven hundred twenty-nine".

Divisors: 1 3 9 17 51 153 254593 763779 2291337 4328081 12984243 38952729