Base | Representation |
---|---|
bin | 1001000100001… |
… | …0000110000000 |
3 | 2122112120220000 |
4 | 2101002012000 |
5 | 34213110311 |
6 | 3434520000 |
7 | 641105616 |
oct | 221020600 |
9 | 78476800 |
10 | 38019456 |
11 | 1a508642 |
12 | 10896000 |
13 | 7b52227 |
14 | 50996b6 |
15 | 3510056 |
hex | 2442180 |
38019456 has 160 divisors (see below), whose sum is σ = 119717400. Its totient is φ = 11943936.
The previous prime is 38019451. The next prime is 38019469. The reversal of 38019456 is 65491083.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 38019456.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38019451) 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, 196896 + ... + 197088.
Almost surely, 238019456 is an apocalyptic number.
38019456 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38019456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59858700).
38019456 is an abundant number, since it is smaller than the sum of its proper divisors (81697944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38019456 is a wasteful number, since it uses less digits than its factorization.
38019456 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 238 (or 217 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The square root of 38019456 is about 6165.9918910099. The cubic root of 38019456 is about 336.2549086038.
The spelling of 38019456 in words is "thirty-eight million, nineteen thousand, four hundred fifty-six".
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