Base | Representation |
---|---|
bin | 1001000111101… |
… | …1111101101101 |
3 | 2122222122001011 |
4 | 2101323331231 |
5 | 34243201433 |
6 | 3443545221 |
7 | 643113652 |
oct | 221737555 |
9 | 78878034 |
10 | 38256493 |
11 | 1a65a740 |
12 | 1098b211 |
13 | 7c060a2 |
14 | 511bc29 |
15 | 355a3cd |
hex | 247bf6d |
38256493 has 8 divisors (see below), whose sum is σ = 42118560. Its totient is φ = 34458480.
The previous prime is 38256487. The next prime is 38256497. The reversal of 38256493 is 39465283.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-38256493 is a prime.
It is a super-3 number, since 3×382564933 (a number of 24 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38256497) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14755 + ... + 17152.
It is an arithmetic number, because the mean of its divisors is an integer number (5264820).
Almost surely, 238256493 is an apocalyptic number.
It is an amenable number.
38256493 is a deficient number, since it is larger than the sum of its proper divisors (3862067).
38256493 is a wasteful number, since it uses less digits than its factorization.
38256493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32027.
The product of its digits is 155520, while the sum is 40.
The square root of 38256493 is about 6185.1833440893. The cubic root of 38256493 is about 336.9522689490.
The spelling of 38256493 in words is "thirty-eight million, two hundred fifty-six thousand, four hundred ninety-three".
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