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1426284 = 223239619
BaseRepresentation
bin101011100001101101100
32200110111100
411130031230
5331120114
650323100
715060156
oct5341554
92613440
101426284
11894652
12589490
133ac272
14291ad6
151d2909
hex15c36c

1426284 has 18 divisors (see below), whose sum is σ = 3605420. Its totient is φ = 475416.

The previous prime is 1426277. The next prime is 1426289. The reversal of 1426284 is 4826241.

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

It is not an unprimeable number, because it can be changed into a prime (1426289) 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, 19774 + ... + 19845.

21426284 is an apocalyptic number.

It is an amenable number.

1426284 is an abundant number, since it is smaller than the sum of its proper divisors (2179136).

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

1426284 is a wasteful number, since it uses less digits than its factorization.

1426284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39629 (or 39624 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 1426284 is about 1194.2713259557. The cubic root of 1426284 is about 112.5646443287.

The spelling of 1426284 in words is "one million, four hundred twenty-six thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 39619 79238 118857 158476 237714 356571 475428 713142 1426284