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2001422 = 219311699
BaseRepresentation
bin111101000101000001110
310202200102202
413220220032
51003021142
6110521502
723004023
oct7505016
93680382
102001422
111147775
12806292
13550c97
143a154a
15298032
hex1e8a0e

2001422 has 16 divisors (see below), whose sum is σ = 3264000. Its totient is φ = 916920.

The previous prime is 2001421. The next prime is 2001449. The reversal of 2001422 is 2241002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001421) 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, 329 + ... + 2027.

It is an arithmetic number, because the mean of its divisors is an integer number (204000).

22001422 is an apocalyptic number.

2001422 is a deficient number, since it is larger than the sum of its proper divisors (1262578).

2001422 is a wasteful number, since it uses less digits than its factorization.

2001422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2001422 is about 1414.7162259619. The cubic root of 2001422 is about 126.0219580443.

Adding to 2001422 its reverse (2241002), we get a palindrome (4242424).

The spelling of 2001422 in words is "two million, one thousand, four hundred twenty-two".

Divisors: 1 2 19 31 38 62 589 1178 1699 3398 32281 52669 64562 105338 1000711 2001422