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2001411 = 32222379
BaseRepresentation
bin111101000101000000011
310202200102100
413220220003
51003021121
6110521443
723004006
oct7505003
93680370
102001411
111147765
12806283
13550c89
143a153d
15298026
hex1e8a03

2001411 has 6 divisors (see below), whose sum is σ = 2890940. Its totient is φ = 1334268.

The previous prime is 2001409. The next prime is 2001413. The reversal of 2001411 is 1141002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2001409) and next prime (2001413).

It is not a de Polignac number, because 2001411 - 21 = 2001409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 222379 = 2001411 / (2 + 0 + 0 + 1 + 4 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2001393 and 2001402.

It is not an unprimeable number, because it can be changed into a prime (2001413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111181 + ... + 111198.

22001411 is an apocalyptic number.

2001411 is a deficient number, since it is larger than the sum of its proper divisors (889529).

2001411 is a wasteful number, since it uses less digits than its factorization.

2001411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222385 (or 222382 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2001411 is about 1414.7123382511. The cubic root of 2001411 is about 126.0217271678.

Adding to 2001411 its reverse (1141002), we get a palindrome (3142413).

The spelling of 2001411 in words is "two million, one thousand, four hundred eleven".

Divisors: 1 3 9 222379 667137 2001411