Base | Representation |
---|---|
bin | 1100100110000… |
… | …01000101100001 |
3 | 21100210111110201 |
4 | 12103001011201 |
5 | 204021222411 |
6 | 14252225201 |
7 | 2421666031 |
oct | 623010541 |
9 | 240714421 |
10 | 105648481 |
11 | 546aa2a4 |
12 | 2b46b201 |
13 | 18b707c3 |
14 | 100618c1 |
15 | 941d3c1 |
hex | 64c1161 |
105648481 has 4 divisors (see below), whose sum is σ = 107225392. Its totient is φ = 104071572.
The previous prime is 105648469. The next prime is 105648511. The reversal of 105648481 is 184846501.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 105648481 - 217 = 105517409 is a prime.
It is a super-2 number, since 2×1056484812 = 22323203075214722, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 105648481.
It is not an unprimeable number, because it can be changed into a prime (105648181) 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, 788355 + ... + 788488.
It is an arithmetic number, because the mean of its divisors is an integer number (26806348).
Almost surely, 2105648481 is an apocalyptic number.
It is an amenable number.
105648481 is a deficient number, since it is larger than the sum of its proper divisors (1576911).
105648481 is an equidigital number, since it uses as much as digits as its factorization.
105648481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1576910.
The product of its (nonzero) digits is 30720, while the sum is 37.
The square root of 105648481 is about 10278.5446927082. The cubic root of 105648481 is about 472.7386228795.
The spelling of 105648481 in words is "one hundred five million, six hundred forty-eight thousand, four hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •