Base | Representation |
---|---|
bin | 1001000111001… |
… | …1110111001001 |
3 | 2122220221111222 |
4 | 2101303313021 |
5 | 34241121210 |
6 | 3443131425 |
7 | 642615131 |
oct | 221636711 |
9 | 78827458 |
10 | 38223305 |
11 | 1a63780a |
12 | 10973b75 |
13 | 7bc3c53 |
14 | 510dac1 |
15 | 3550655 |
hex | 2473dc9 |
38223305 has 8 divisors (see below), whose sum is σ = 47449800. Its totient is φ = 29524096.
The previous prime is 38223277. The next prime is 38223329. The reversal of 38223305 is 50332283.
It can be written as a sum of positive squares in 4 ways, for example, as 43264 + 38180041 = 208^2 + 6179^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 38223305 - 214 = 38206921 is a prime.
It is a super-2 number, since 2×382233052 = 2922042090246050, which contains 22 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131660 + ... + 131949.
It is an arithmetic number, because the mean of its divisors is an integer number (5931225).
Almost surely, 238223305 is an apocalyptic number.
It is an amenable number.
38223305 is a deficient number, since it is larger than the sum of its proper divisors (9226495).
38223305 is a wasteful number, since it uses less digits than its factorization.
38223305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 263643.
The product of its (nonzero) digits is 4320, while the sum is 26.
The square root of 38223305 is about 6182.4998989082. The cubic root of 38223305 is about 336.8548039496.
Adding to 38223305 its reverse (50332283), we get a palindrome (88555588).
The spelling of 38223305 in words is "thirty-eight million, two hundred twenty-three thousand, three hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •