Base | Representation |
---|---|
bin | 1001010101001… |
… | …1010111001010 |
3 | 2201122110021210 |
4 | 2111103113022 |
5 | 40004420022 |
6 | 3514513550 |
7 | 653450115 |
oct | 225232712 |
9 | 81573253 |
10 | 39138762 |
11 | 20102593 |
12 | 111358b6 |
13 | 8154840 |
14 | 52ab57c |
15 | 3681a0c |
hex | 25535ca |
39138762 has 16 divisors (see below), whose sum is σ = 84299040. Its totient is φ = 12042672.
The previous prime is 39138761. The next prime is 39138769. The reversal of 39138762 is 26783193.
39138762 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a self number, because there is not a number n which added to its sum of digits gives 39138762.
It is not an unprimeable number, because it can be changed into a prime (39138761) 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 7 ways as a sum of consecutive naturals, for example, 250812 + ... + 250967.
It is an arithmetic number, because the mean of its divisors is an integer number (5268690).
Almost surely, 239138762 is an apocalyptic number.
39138762 is an abundant number, since it is smaller than the sum of its proper divisors (45160278).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39138762 is a wasteful number, since it uses less digits than its factorization.
39138762 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 501797.
The product of its digits is 54432, while the sum is 39.
The square root of 39138762 is about 6256.0979851662. The cubic root of 39138762 is about 339.5228659128.
The spelling of 39138762 in words is "thirty-nine million, one hundred thirty-eight thousand, seven hundred sixty-two".
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