Base | Representation |
---|---|
bin | 1001001000011… |
… | …1000111000010 |
3 | 2200001221200000 |
4 | 2102013013002 |
5 | 34301132041 |
6 | 3444540430 |
7 | 643364031 |
oct | 222070702 |
9 | 80057600 |
10 | 38302146 |
11 | 1a690a73 |
12 | 109b1716 |
13 | 7c20abc |
14 | 5130718 |
15 | 3568bb6 |
hex | 24871c2 |
38302146 has 48 divisors (see below), whose sum is σ = 87744384. Its totient is φ = 12518064.
The previous prime is 38302111. The next prime is 38302169. The reversal of 38302146 is 64120383.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25015 + ... + 26501.
It is an arithmetic number, because the mean of its divisors is an integer number (1828008).
Almost surely, 238302146 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38302146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43872192).
38302146 is an abundant number, since it is smaller than the sum of its proper divisors (49442238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38302146 is a wasteful number, since it uses less digits than its factorization.
38302146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1557 (or 1545 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 38302146 is about 6188.8727568112. The cubic root of 38302146 is about 337.0862485324.
The spelling of 38302146 in words is "thirty-eight million, three hundred two thousand, one hundred forty-six".
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