Base | Representation |
---|---|
bin | 1001010000110… |
… | …0110110101101 |
3 | 2201002210010121 |
4 | 2110030312231 |
5 | 34421144330 |
6 | 3504404541 |
7 | 651135130 |
oct | 224146655 |
9 | 81083117 |
10 | 38849965 |
11 | 1aa25610 |
12 | 11016751 |
13 | 808325b |
14 | 5234217 |
15 | 362617a |
hex | 250cdad |
38849965 has 64 divisors (see below), whose sum is σ = 63037440. Its totient is φ = 22256640.
The previous prime is 38849959. The next prime is 38849971. The reversal of 38849965 is 56994883.
It is a happy number.
38849965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (38849959) and next prime (38849971).
It is not a de Polignac number, because 38849965 - 25 = 38849933 is a prime.
It is a congruent number.
It is an unprimeable number.
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 63 ways as a sum of consecutive naturals, for example, 343749 + ... + 343861.
It is an arithmetic number, because the mean of its divisors is an integer number (984960).
Almost surely, 238849965 is an apocalyptic number.
38849965 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
38849965 is a deficient number, since it is larger than the sum of its proper divisors (24187475).
38849965 is a wasteful number, since it uses less digits than its factorization.
38849965 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 202.
The product of its digits is 1866240, while the sum is 52.
The square root of 38849965 is about 6232.9740092511. The cubic root of 38849965 is about 338.6857133037.
The spelling of 38849965 in words is "thirty-eight million, eight hundred forty-nine thousand, nine hundred sixty-five".
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