Base | Representation |
---|---|
bin | 1001001010010… |
… | …1010100101001 |
3 | 2200022020102101 |
4 | 2102211110221 |
5 | 34314112042 |
6 | 3451333401 |
7 | 644420566 |
oct | 222452451 |
9 | 80266371 |
10 | 38425897 |
11 | 1a765a44 |
12 | 10a51261 |
13 | 7c65223 |
14 | 516386d |
15 | 35906b7 |
hex | 24a5529 |
38425897 has 8 divisors (see below), whose sum is σ = 39656232. Its totient is φ = 37209600.
The previous prime is 38425889. The next prime is 38425909. The reversal of 38425897 is 79852483.
It can be written as a sum of positive squares in 4 ways, for example, as 3154176 + 35271721 = 1776^2 + 5939^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 38425897 - 23 = 38425889 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38425817) 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 7 ways as a sum of consecutive naturals, for example, 2197 + ... + 9037.
It is an arithmetic number, because the mean of its divisors is an integer number (4957029).
Almost surely, 238425897 is an apocalyptic number.
It is an amenable number.
38425897 is a deficient number, since it is larger than the sum of its proper divisors (1230335).
38425897 is a wasteful number, since it uses less digits than its factorization.
38425897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7019.
The product of its digits is 483840, while the sum is 46.
The square root of 38425897 is about 6198.8625569535. The cubic root of 38425897 is about 337.4488906603.
The spelling of 38425897 in words is "thirty-eight million, four hundred twenty-five thousand, eight hundred ninety-seven".
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