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2422861 = 71918217
BaseRepresentation
bin1001001111100001001101
311120002112121
421033201031
51110012421
6123532541
726410510
oct11174115
94502477
102422861
111405371
1298a151
1366aa5c
14470d77
1532cd41
hex24f84d

2422861 has 8 divisors (see below), whose sum is σ = 2914880. Its totient is φ = 1967328.

The previous prime is 2422837. The next prime is 2422873. The reversal of 2422861 is 1682242.

It is a happy number.

2422861 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 a cyclic number.

It is not a de Polignac number, because 2422861 - 25 = 2422829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422811) 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, 8976 + ... + 9241.

It is an arithmetic number, because the mean of its divisors is an integer number (364360).

22422861 is an apocalyptic number.

It is an amenable number.

2422861 is a deficient number, since it is larger than the sum of its proper divisors (492019).

2422861 is a wasteful number, since it uses less digits than its factorization.

2422861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18243.

The product of its digits is 1536, while the sum is 25.

The square root of 2422861 is about 1556.5542072154. The cubic root of 2422861 is about 134.3103558544.

The spelling of 2422861 in words is "two million, four hundred twenty-two thousand, eight hundred sixty-one".

Divisors: 1 7 19 133 18217 127519 346123 2422861