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1422456 = 23378467
BaseRepresentation
bin101011011010001111000
32200021020120
411123101320
5331004311
650253240
715043050
oct5332170
92607216
101422456
11891792
12587220
133aa5b9
14290560
151d1706
hex15b478

1422456 has 32 divisors (see below), whose sum is σ = 4064640. Its totient is φ = 406368.

The previous prime is 1422439. The next prime is 1422461. The reversal of 1422456 is 6542241.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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, 4066 + ... + 4401.

It is an arithmetic number, because the mean of its divisors is an integer number (127020).

21422456 is an apocalyptic number.

It is an amenable number.

1422456 is an abundant number, since it is smaller than the sum of its proper divisors (2642184).

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

1422456 is a wasteful number, since it uses less digits than its factorization.

1422456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8483 (or 8479 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 1422456 is about 1192.6675982855. The cubic root of 1422456 is about 112.4638501135.

Adding to 1422456 its reverse (6542241), we get a palindrome (7964697).

The spelling of 1422456 in words is "one million, four hundred twenty-two thousand, four hundred fifty-six".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 8467 16934 25401 33868 50802 59269 67736 101604 118538 177807 203208 237076 355614 474152 711228 1422456