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2421105 = 35161407
BaseRepresentation
bin1001001111000101110001
311120000010120
421033011301
51104433410
6123520453
726402421
oct11170561
94500116
102421105
111404015
12989129
1366a00b
14470481
1532c570
hex24f171

2421105 has 8 divisors (see below), whose sum is σ = 3873792. Its totient is φ = 1291248.

The previous prime is 2421077. The next prime is 2421109. The reversal of 2421105 is 5011242.

2421105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2421105 - 25 = 2421073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 161407 = 2421105 / (2 + 4 + 2 + 1 + 1 + 0 + 5).

It is not an unprimeable number, because it can be changed into a prime (2421109) 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 7 ways as a sum of consecutive naturals, for example, 80689 + ... + 80718.

It is an arithmetic number, because the mean of its divisors is an integer number (484224).

22421105 is an apocalyptic number.

It is an amenable number.

2421105 is a deficient number, since it is larger than the sum of its proper divisors (1452687).

2421105 is a wasteful number, since it uses less digits than its factorization.

2421105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161415.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 2421105 is about 1555.9900385285. The cubic root of 2421105 is about 134.2779002869.

Adding to 2421105 its reverse (5011242), we get a palindrome (7432347).

The spelling of 2421105 in words is "two million, four hundred twenty-one thousand, one hundred five".

Divisors: 1 3 5 15 161407 484221 807035 2421105