Base | Representation |
---|---|
bin | 1001001011000… |
… | …0101100000000 |
3 | 2200101121021111 |
4 | 2102300230000 |
5 | 34322104243 |
6 | 3452333104 |
7 | 645003400 |
oct | 222605400 |
9 | 80347244 |
10 | 38472448 |
11 | 1a797a13 |
12 | 10a74194 |
13 | 7c80481 |
14 | 5176800 |
15 | 359e39d |
hex | 24b0b00 |
38472448 has 54 divisors (see below), whose sum is σ = 89361636. Its totient is φ = 16482816.
The previous prime is 38472439. The next prime is 38472449. The reversal of 38472448 is 84427483.
It is a super-2 number, since 2×384724482 = 2960258510225408, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 38472448.
It is not an unprimeable number, because it can be changed into a prime (38472449) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11011 + ... + 14077.
Almost surely, 238472448 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 38472448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44680818).
38472448 is an abundant number, since it is smaller than the sum of its proper divisors (50889188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38472448 is an equidigital number, since it uses as much as digits as its factorization.
38472448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3097 (or 3076 counting only the distinct ones).
The product of its digits is 172032, while the sum is 40.
The square root of 38472448 is about 6202.6162222082. The cubic root of 38472448 is about 337.5851030016.
The spelling of 38472448 in words is "thirty-eight million, four hundred seventy-two thousand, four hundred forty-eight".
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