Base | Representation |
---|---|
bin | 1001001010011… |
… | …1000011000101 |
3 | 2200022121010011 |
4 | 2102213003011 |
5 | 34314323330 |
6 | 3451430221 |
7 | 644450314 |
oct | 222470305 |
9 | 80277104 |
10 | 38432965 |
11 | 1a77028a |
12 | 10a55371 |
13 | 7c684cc |
14 | 516627b |
15 | 359282a |
hex | 24a70c5 |
38432965 has 4 divisors (see below), whose sum is σ = 46119564. Its totient is φ = 30746368.
The previous prime is 38432941. The next prime is 38432969. The reversal of 38432965 is 56923483.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56923483 = 709 ⋅80287.
It can be written as a sum of positive squares in 2 ways, for example, as 26811684 + 11621281 = 5178^2 + 3409^2 .
It is a cyclic number.
It is not a de Polignac number, because 38432965 - 213 = 38424773 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38432969) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3843292 + ... + 3843301.
It is an arithmetic number, because the mean of its divisors is an integer number (11529891).
Almost surely, 238432965 is an apocalyptic number.
It is an amenable number.
38432965 is a deficient number, since it is larger than the sum of its proper divisors (7686599).
38432965 is an equidigital number, since it uses as much as digits as its factorization.
38432965 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7686598.
The product of its digits is 155520, while the sum is 40.
The square root of 38432965 is about 6199.4326353304. The cubic root of 38432965 is about 337.4695793340.
The spelling of 38432965 in words is "thirty-eight million, four hundred thirty-two thousand, nine hundred sixty-five".
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