Base | Representation |
---|---|
bin | 1001001011000… |
… | …0000100111001 |
3 | 2200101110211210 |
4 | 2102300010321 |
5 | 34322014240 |
6 | 3452313333 |
7 | 644663163 |
oct | 222600471 |
9 | 80343753 |
10 | 38469945 |
11 | 1a796048 |
12 | 10a72849 |
13 | 7c7c2a7 |
14 | 5175933 |
15 | 359d780 |
hex | 24b0139 |
38469945 has 8 divisors (see below), whose sum is σ = 61551936. Its totient is φ = 20517296.
The previous prime is 38469913. The next prime is 38469967. The reversal of 38469945 is 54996483.
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 38469945 - 25 = 38469913 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 38469894 and 38469903.
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, 1282317 + ... + 1282346.
It is an arithmetic number, because the mean of its divisors is an integer number (7693992).
Almost surely, 238469945 is an apocalyptic number.
It is an amenable number.
38469945 is a deficient number, since it is larger than the sum of its proper divisors (23081991).
38469945 is a wasteful number, since it uses less digits than its factorization.
38469945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2564671.
The product of its digits is 933120, while the sum is 48.
The square root of 38469945 is about 6202.4144492286. The cubic root of 38469945 is about 337.5777817983.
The spelling of 38469945 in words is "thirty-eight million, four hundred sixty-nine thousand, nine hundred forty-five".
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