Base | Representation |
---|---|
bin | 1001010001000… |
… | …0010011110110 |
3 | 2201010111112210 |
4 | 2110100103312 |
5 | 34422122433 |
6 | 3504554250 |
7 | 651224316 |
oct | 224202366 |
9 | 81114483 |
10 | 38864118 |
11 | 1aa35207 |
12 | 11022986 |
13 | 8089827 |
14 | 5239446 |
15 | 362a463 |
hex | 25104f6 |
38864118 has 32 divisors (see below), whose sum is σ = 80753760. Its totient is φ = 12454400.
The previous prime is 38864113. The next prime is 38864143. The reversal of 38864118 is 81146883.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38864113) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 69496 + ... + 70052.
It is an arithmetic number, because the mean of its divisors is an integer number (2523555).
Almost surely, 238864118 is an apocalyptic number.
38864118 is an abundant number, since it is smaller than the sum of its proper divisors (41889642).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38864118 is a wasteful number, since it uses less digits than its factorization.
38864118 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 992.
The product of its digits is 36864, while the sum is 39.
The square root of 38864118 is about 6234.1092386964. The cubic root of 38864118 is about 338.7268359228.
The spelling of 38864118 in words is "thirty-eight million, eight hundred sixty-four thousand, one hundred eighteen".
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