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1422141 = 37241281
BaseRepresentation
bin101011011001100111101
32200020210220
411123030331
5331002031
650251553
715042120
oct5331475
92606726
101422141
11891526
12586bb9
133aa406
142903b7
151d1596
hex15b33d

1422141 has 16 divisors (see below), whose sum is σ = 2183808. Its totient is φ = 806400.

The previous prime is 1422133. The next prime is 1422163. The reversal of 1422141 is 1412241.

1422141 is a nontrivial binomial coefficient, being equal to C(1687, 2).

It is not a de Polignac number, because 1422141 - 23 = 1422133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1422141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4921 + ... + 5201.

It is an arithmetic number, because the mean of its divisors is an integer number (136488).

21422141 is an apocalyptic number.

1422141 is the 1686-th triangular number.

It is an amenable number.

1422141 is a deficient number, since it is larger than the sum of its proper divisors (761667).

1422141 is a wasteful number, since it uses less digits than its factorization.

1422141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532.

The product of its digits is 64, while the sum is 15.

The square root of 1422141 is about 1192.5355340618. The cubic root of 1422141 is about 112.4555478700.

Adding to 1422141 its reverse (1412241), we get a palindrome (2834382).

It can be divided in two parts, 14 and 22141, that added together give a triangular number (22155 = T210).

The spelling of 1422141 in words is "one million, four hundred twenty-two thousand, one hundred forty-one".

Divisors: 1 3 7 21 241 281 723 843 1687 1967 5061 5901 67721 203163 474047 1422141