Base | Representation |
---|---|
bin | 1001010000001… |
… | …0110110100000 |
3 | 2201000200221002 |
4 | 2110002312200 |
5 | 34413341432 |
6 | 3503451132 |
7 | 650604515 |
oct | 224026640 |
9 | 81020832 |
10 | 38808992 |
11 | 1a9a7852 |
12 | 10bb6aa8 |
13 | 806a701 |
14 | 522330c |
15 | 3618e62 |
hex | 2502da0 |
38808992 has 12 divisors (see below), whose sum is σ = 76405266. Its totient is φ = 19404480.
The previous prime is 38808983. The next prime is 38808997. The reversal of 38808992 is 29980883.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 24641296 + 14167696 = 4964^2 + 3764^2 .
It is a super-2 number, since 2×388089922 = 3012275720112128, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (38808997) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606359 + ... + 606422.
Almost surely, 238808992 is an apocalyptic number.
38808992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
38808992 is a deficient number, since it is larger than the sum of its proper divisors (37596274).
38808992 is a wasteful number, since it uses less digits than its factorization.
38808992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1212791 (or 1212783 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 47.
The square root of 38808992 is about 6229.6863484448. The cubic root of 38808992 is about 338.5666067955.
The spelling of 38808992 in words is "thirty-eight million, eight hundred eight thousand, nine hundred ninety-two".
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