Base | Representation |
---|---|
bin | 1001000101100… |
… | …0110110010001 |
3 | 2122201022201220 |
4 | 2101120312101 |
5 | 34224101112 |
6 | 3440515253 |
7 | 641644422 |
oct | 221306621 |
9 | 78638656 |
10 | 38112657 |
11 | 1a571670 |
12 | 1091bb29 |
13 | 7b8578b |
14 | 50c1649 |
15 | 352c98c |
hex | 2458d91 |
38112657 has 32 divisors (see below), whose sum is σ = 60165504. Its totient is φ = 21196800.
The previous prime is 38112637. The next prime is 38112677. The reversal of 38112657 is 75621183.
It is an interprime number because it is at equal distance from previous prime (38112637) and next prime (38112677).
It is not a de Polignac number, because 38112657 - 28 = 38112401 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (38112637) 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 31 ways as a sum of consecutive naturals, for example, 22173 + ... + 23829.
It is an arithmetic number, because the mean of its divisors is an integer number (1880172).
Almost surely, 238112657 is an apocalyptic number.
It is an amenable number.
38112657 is a deficient number, since it is larger than the sum of its proper divisors (22052847).
38112657 is a wasteful number, since it uses less digits than its factorization.
38112657 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1729.
The product of its digits is 10080, while the sum is 33.
The square root of 38112657 is about 6173.5449297790. The cubic root of 38112657 is about 336.5294497944.
It can be divided in two parts, 381126 and 57, that added together give a palindrome (381183).
The spelling of 38112657 in words is "thirty-eight million, one hundred twelve thousand, six hundred fifty-seven".
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