Base | Representation |
---|---|
bin | 1001010000001… |
… | …0011101100010 |
3 | 2201000121201220 |
4 | 2110002131202 |
5 | 34413314034 |
6 | 3503435510 |
7 | 650600043 |
oct | 224023542 |
9 | 81017656 |
10 | 38807394 |
11 | 1a9a662a |
12 | 10bb5b96 |
13 | 8069a72 |
14 | 52228ca |
15 | 3618749 |
hex | 2502762 |
38807394 has 32 divisors (see below), whose sum is σ = 83790720. Its totient is φ = 11945472.
The previous prime is 38807389. The next prime is 38807399. The reversal of 38807394 is 49370883.
It is an interprime number because it is at equal distance from previous prime (38807389) and next prime (38807399).
It is a super-3 number, since 3×388073943 (a number of 24 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (38807399) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 847 + ... + 8850.
It is an arithmetic number, because the mean of its divisors is an integer number (2618460).
Almost surely, 238807394 is an apocalyptic number.
38807394 is an abundant number, since it is smaller than the sum of its proper divisors (44983326).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38807394 is a wasteful number, since it uses less digits than its factorization.
38807394 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9754.
The product of its (nonzero) digits is 145152, while the sum is 42.
The square root of 38807394 is about 6229.5580902661. The cubic root of 38807394 is about 338.5619597894.
The spelling of 38807394 in words is "thirty-eight million, eight hundred seven thousand, three hundred ninety-four".
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