Base | Representation |
---|---|
bin | 1001000111001… |
… | …1110101101010 |
3 | 2122220221101110 |
4 | 2101303311222 |
5 | 34241120320 |
6 | 3443131150 |
7 | 642614634 |
oct | 221636552 |
9 | 78827343 |
10 | 38223210 |
11 | 1a637733 |
12 | 10973ab6 |
13 | 7bc3bac |
14 | 510da54 |
15 | 35505e0 |
hex | 2473d6a |
38223210 has 32 divisors (see below), whose sum is σ = 93244032. Its totient is φ = 10025280.
The previous prime is 38223187. The next prime is 38223221. The reversal of 38223210 is 1232283.
It is a super-2 number, since 2×382232102 = 2922027565408200, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8614 + ... + 12273.
It is an arithmetic number, because the mean of its divisors is an integer number (2913876).
Almost surely, 238223210 is an apocalyptic number.
38223210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
38223210 is an abundant number, since it is smaller than the sum of its proper divisors (55020822).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38223210 is a wasteful number, since it uses less digits than its factorization.
38223210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20958.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 38223210 is about 6182.4922159272. The cubic root of 38223210 is about 336.8545248770.
Adding to 38223210 its reverse (1232283), we get a palindrome (39455493).
The spelling of 38223210 in words is "thirty-eight million, two hundred twenty-three thousand, two hundred ten".
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