Base | Representation |
---|---|
bin | 1001001110000… |
… | …1110111011111 |
3 | 2200202211121012 |
4 | 2103201313133 |
5 | 34400031022 |
6 | 3500525435 |
7 | 646502600 |
oct | 223416737 |
9 | 80684535 |
10 | 38673887 |
11 | 1a91529a |
12 | 10b5087b |
13 | 8021075 |
14 | 51c9da7 |
15 | 35ddde2 |
hex | 24e1ddf |
38673887 has 12 divisors (see below), whose sum is σ = 45174096. Its totient is φ = 33012000.
The previous prime is 38673863. The next prime is 38673923. The reversal of 38673887 is 78837683.
It is not a de Polignac number, because 38673887 - 222 = 34479583 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38673847) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11387 + ... + 14387.
It is an arithmetic number, because the mean of its divisors is an integer number (3764508).
Almost surely, 238673887 is an apocalyptic number.
38673887 is a deficient number, since it is larger than the sum of its proper divisors (6500209).
38673887 is a wasteful number, since it uses less digits than its factorization.
38673887 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3278 (or 3271 counting only the distinct ones).
The product of its digits is 1354752, while the sum is 50.
The square root of 38673887 is about 6218.8332506990. The cubic root of 38673887 is about 338.1732681881.
The spelling of 38673887 in words is "thirty-eight million, six hundred seventy-three thousand, eight hundred eighty-seven".
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