Base | Representation |
---|---|
bin | 1001000101100… |
… | …0100011110000 |
3 | 2122201021010000 |
4 | 2101120203300 |
5 | 34224031342 |
6 | 3440510000 |
7 | 641641110 |
oct | 221304360 |
9 | 78637100 |
10 | 38111472 |
11 | 1a570793 |
12 | 1091b300 |
13 | 7b85089 |
14 | 50c1040 |
15 | 352c44c |
hex | 24588f0 |
38111472 has 100 divisors (see below), whose sum is σ = 126093616. Its totient is φ = 10886400.
The previous prime is 38111471. The next prime is 38111477. The reversal of 38111472 is 27411183.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38111471) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6972 + ... + 11172.
Almost surely, 238111472 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 38111472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63046808).
38111472 is an abundant number, since it is smaller than the sum of its proper divisors (87982144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38111472 is a wasteful number, since it uses less digits than its factorization.
38111472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4228 (or 4213 counting only the distinct ones).
The product of its digits is 1344, while the sum is 27.
The square root of 38111472 is about 6173.4489550008. The cubic root of 38111472 is about 336.5259619633.
It can be divided in two parts, 38111 and 472, that added together give a palindrome (38583).
The spelling of 38111472 in words is "thirty-eight million, one hundred eleven thousand, four hundred seventy-two".
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