Base | Representation |
---|---|
bin | 1001000111101… |
… | …1010101001111 |
3 | 2122222111111020 |
4 | 2101323111033 |
5 | 34243111103 |
6 | 3443525223 |
7 | 643103262 |
oct | 221732517 |
9 | 78874436 |
10 | 38253903 |
11 | 1a6587a6 |
12 | 10989813 |
13 | 7c04b5c |
14 | 511acd9 |
15 | 3559753 |
hex | 247b54f |
38253903 has 4 divisors (see below), whose sum is σ = 51005208. Its totient is φ = 25502600.
The previous prime is 38253869. The next prime is 38253913. The reversal of 38253903 is 30935283.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 38253903 - 28 = 38253647 is a prime.
It is a super-2 number, since 2×382539032 = 2926722189466818, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38253913) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6375648 + ... + 6375653.
It is an arithmetic number, because the mean of its divisors is an integer number (12751302).
Almost surely, 238253903 is an apocalyptic number.
38253903 is a deficient number, since it is larger than the sum of its proper divisors (12751305).
38253903 is a wasteful number, since it uses less digits than its factorization.
38253903 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12751304.
The product of its (nonzero) digits is 19440, while the sum is 33.
The square root of 38253903 is about 6184.9739692257. The cubic root of 38253903 is about 336.9446647838.
It can be divided in two parts, 382 and 53903, that added together give a triangular number (54285 = T329).
The spelling of 38253903 in words is "thirty-eight million, two hundred fifty-three thousand, nine hundred three".
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