Base | Representation |
---|---|
bin | 1001001000001… |
… | …1010010101011 |
3 | 2200001011012210 |
4 | 2102003102223 |
5 | 34300132012 |
6 | 3444340203 |
7 | 643300320 |
oct | 222032253 |
9 | 80034183 |
10 | 38286507 |
11 | 1a680246 |
12 | 109a4663 |
13 | 7c1694c |
14 | 5128b47 |
15 | 356423c |
hex | 24834ab |
38286507 has 16 divisors (see below), whose sum is σ = 58488320. Its totient is φ = 21822912.
The previous prime is 38286487. The next prime is 38286551. The reversal of 38286507 is 70568283.
It is not a de Polignac number, because 38286507 - 210 = 38285483 is a prime.
It is a super-2 number, since 2×382865072 = 2931713236522098, which contains 22 as substring.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38286557) 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 15 ways as a sum of consecutive naturals, for example, 7143 + ... + 11295.
It is an arithmetic number, because the mean of its divisors is an integer number (3655520).
Almost surely, 238286507 is an apocalyptic number.
38286507 is a deficient number, since it is larger than the sum of its proper divisors (20201813).
38286507 is a wasteful number, since it uses less digits than its factorization.
38286507 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4602.
The product of its (nonzero) digits is 80640, while the sum is 39.
The square root of 38286507 is about 6187.6091505524. The cubic root of 38286507 is about 337.0403641626.
The spelling of 38286507 in words is "thirty-eight million, two hundred eighty-six thousand, five hundred seven".
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