Base | Representation |
---|---|
bin | 1001001001001… |
… | …0101001111000 |
3 | 2200011100112100 |
4 | 2102102221320 |
5 | 34304140212 |
6 | 3445543400 |
7 | 643651632 |
oct | 222225170 |
9 | 80140470 |
10 | 38349432 |
11 | 1a713550 |
12 | 10a14b60 |
13 | 7c39494 |
14 | 5143a52 |
15 | 3577bdc |
hex | 2492a78 |
38349432 has 96 divisors (see below), whose sum is σ = 116166960. Its totient is φ = 11328000.
The previous prime is 38349413. The next prime is 38349439. The reversal of 38349432 is 23494383.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38349439) 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 23 ways as a sum of consecutive naturals, for example, 31882 + ... + 33062.
Almost surely, 238349432 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38349432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58083480).
38349432 is an abundant number, since it is smaller than the sum of its proper divisors (77817528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38349432 is a wasteful number, since it uses less digits than its factorization.
38349432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1245 (or 1238 counting only the distinct ones).
The product of its digits is 62208, while the sum is 36.
The square root of 38349432 is about 6192.6918218171. The cubic root of 38349432 is about 337.2249083478.
It can be divided in two parts, 38349 and 432, that added together give a triangular number (38781 = T278).
The spelling of 38349432 in words is "thirty-eight million, three hundred forty-nine thousand, four hundred thirty-two".
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