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1422108 = 223239503
BaseRepresentation
bin101011011001100011100
32200020202200
411123030130
5331001413
650251500
715042042
oct5331434
92606680
101422108
118914a6
12586b90
133aa3ac
14290392
151d1573
hex15b31c

1422108 has 18 divisors (see below), whose sum is σ = 3594864. Its totient is φ = 474024.

The previous prime is 1422107. The next prime is 1422119. The reversal of 1422108 is 8012241.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19716 + ... + 19787.

21422108 is an apocalyptic number.

1422108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1422108 is an abundant number, since it is smaller than the sum of its proper divisors (2172756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1422108 is a wasteful number, since it uses less digits than its factorization.

1422108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39513 (or 39508 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1422108 is about 1192.5216979158. The cubic root of 1422108 is about 112.4546780403.

Adding to 1422108 its reverse (8012241), we get a palindrome (9434349).

It can be divided in two parts, 14 and 22108, that added together give a palindrome (22122).

The spelling of 1422108 in words is "one million, four hundred twenty-two thousand, one hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 39503 79006 118509 158012 237018 355527 474036 711054 1422108