Base | Representation |
---|---|
bin | 1001001010101… |
… | …1010101001001 |
3 | 2200100111011210 |
4 | 2102223111021 |
5 | 34320404010 |
6 | 3452043333 |
7 | 644552412 |
oct | 222532511 |
9 | 80314153 |
10 | 38450505 |
11 | 1a782485 |
12 | 10a63549 |
13 | 7c734a2 |
14 | 516c809 |
15 | 3597b20 |
hex | 24ab549 |
38450505 has 8 divisors (see below), whose sum is σ = 61520832. Its totient is φ = 20506928.
The previous prime is 38450501. The next prime is 38450521. The reversal of 38450505 is 50505483.
38450505 is nontrivially palindromic in base 2.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 38450505 - 22 = 38450501 is a prime.
It is not an unprimeable number, because it can be changed into a prime (38450501) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1281669 + ... + 1281698.
It is an arithmetic number, because the mean of its divisors is an integer number (7690104).
Almost surely, 238450505 is an apocalyptic number.
It is an amenable number.
38450505 is a deficient number, since it is larger than the sum of its proper divisors (23070327).
38450505 is a wasteful number, since it uses less digits than its factorization.
38450505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2563375.
The product of its (nonzero) digits is 12000, while the sum is 30.
The square root of 38450505 is about 6200.8471195475. The cubic root of 38450505 is about 337.5209095413.
Adding to 38450505 its reverse (50505483), we get a palindrome (88955988).
The spelling of 38450505 in words is "thirty-eight million, four hundred fifty thousand, five hundred five".
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