[go: up one dir, main page]

Search a number
-
+
2420105 = 51373533
BaseRepresentation
bin1001001110110110001001
311112221202112
421032312021
51104420410
6123512105
726366462
oct11166611
94487675
102420105
111403296
12988635
1366971c
1446dd69
1532c105
hex24ed89

2420105 has 8 divisors (see below), whose sum is σ = 2926152. Its totient is φ = 1921408.

The previous prime is 2420071. The next prime is 2420111. The reversal of 2420105 is 5010242.

2420105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 635209 + 1784896 = 797^2 + 1336^2 .

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 2420105 - 212 = 2416009 is a prime.

It is a super-2 number, since 2×24201052 = 11713816422050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a zygodrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 2420105.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1082 + ... + 2451.

It is an arithmetic number, because the mean of its divisors is an integer number (365769).

22420105 is an apocalyptic number.

It is an amenable number.

2420105 is a deficient number, since it is larger than the sum of its proper divisors (506047).

2420105 is a wasteful number, since it uses less digits than its factorization.

2420105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2420105 is about 1555.6686665225. The cubic root of 2420105 is about 134.2594106039.

Adding to 2420105 its reverse (5010242), we get a palindrome (7430347).

The spelling of 2420105 in words is "two million, four hundred twenty thousand, one hundred five".

Divisors: 1 5 137 685 3533 17665 484021 2420105