Base | Representation |
---|---|
bin | 1001010001001… |
… | …0110001110001 |
3 | 2201011000102010 |
4 | 2110102301301 |
5 | 34422433400 |
6 | 3505113133 |
7 | 651265635 |
oct | 224226161 |
9 | 81130363 |
10 | 38874225 |
11 | 1aa41865 |
12 | 110287a9 |
13 | 8091300 |
14 | 523cdc5 |
15 | 362d450 |
hex | 2512c71 |
38874225 has 36 divisors (see below), whose sum is σ = 69619056. Its totient is φ = 19131840.
The previous prime is 38874211. The next prime is 38874233. The reversal of 38874225 is 52247883.
It is not a de Polignac number, because 38874225 - 220 = 37825649 is a prime.
It is a super-2 number, since 2×388742252 = 3022410738701250, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11142 + ... + 14208.
Almost surely, 238874225 is an apocalyptic number.
It is an amenable number.
38874225 is a deficient number, since it is larger than the sum of its proper divisors (30744831).
38874225 is a wasteful number, since it uses less digits than its factorization.
38874225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3106 (or 3088 counting only the distinct ones).
The product of its digits is 107520, while the sum is 39.
The square root of 38874225 is about 6234.9198070224. The cubic root of 38874225 is about 338.7561964708.
The spelling of 38874225 in words is "thirty-eight million, eight hundred seventy-four thousand, two hundred twenty-five".
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