Base | Representation |
---|---|
bin | 1001001001001… |
… | …0011010111110 |
3 | 2200011022020000 |
4 | 2102102122332 |
5 | 34304122403 |
6 | 3445535130 |
7 | 643646100 |
oct | 222223276 |
9 | 80138200 |
10 | 38348478 |
11 | 1a712863 |
12 | 10a144a6 |
13 | 7c38c0c |
14 | 5143570 |
15 | 35777a3 |
hex | 24926be |
38348478 has 60 divisors (see below), whose sum is σ = 99978912. Its totient is φ = 10954440.
The previous prime is 38348473. The next prime is 38348483. The reversal of 38348478 is 87484383.
It is a happy number.
38348478 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 (38348473) and next prime (38348483).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38348473) by changing a digit.
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 29 ways as a sum of consecutive naturals, for example, 5523 + ... + 10353.
Almost surely, 238348478 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38348478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49989456).
38348478 is an abundant number, since it is smaller than the sum of its proper divisors (61630434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38348478 is a wasteful number, since it uses less digits than its factorization.
38348478 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4859 (or 4843 counting only the distinct ones).
The product of its digits is 516096, while the sum is 45.
The square root of 38348478 is about 6192.6147950603. The cubic root of 38348478 is about 337.2221119984. Note that the first 3 decimals are identical.
The spelling of 38348478 in words is "thirty-eight million, three hundred forty-eight thousand, four hundred seventy-eight".
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