Search a number
-
+
1422109 = 13139787
BaseRepresentation
bin101011011001100011101
32200020202201
411123030131
5331001414
650251501
715042043
oct5331435
92606681
101422109
118914a7
12586b91
133aa3b0
14290393
151d1574
hex15b31d

1422109 has 8 divisors (see below), whose sum is σ = 1544480. Its totient is φ = 1301616.

The previous prime is 1422107. The next prime is 1422119. The reversal of 1422109 is 9012241.

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 1422109 - 21 = 1422107 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 (1422103) 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, 1414 + ... + 2200.

It is an arithmetic number, because the mean of its divisors is an integer number (193060).

21422109 is an apocalyptic number.

It is an amenable number.

1422109 is a deficient number, since it is larger than the sum of its proper divisors (122371).

1422109 is a wasteful number, since it uses less digits than its factorization.

1422109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1422109 is about 1192.5221171953. The cubic root of 1422109 is about 112.4547043989.

The spelling of 1422109 in words is "one million, four hundred twenty-two thousand, one hundred nine".

Divisors: 1 13 139 787 1807 10231 109393 1422109