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2002101 = 3667367
BaseRepresentation
bin111101000110010110101
310202201100220
413220302311
51003031401
6110524553
723006013
oct7506265
93681326
102002101
111148232
12806759
1355139a
143a18b3
15298336
hex1e8cb5

2002101 has 4 divisors (see below), whose sum is σ = 2669472. Its totient is φ = 1334732.

The previous prime is 2002093. The next prime is 2002151. The reversal of 2002101 is 1012002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2002101 - 23 = 2002093 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 2002101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333681 + ... + 333686.

It is an arithmetic number, because the mean of its divisors is an integer number (667368).

22002101 is an apocalyptic number.

It is an amenable number.

2002101 is a deficient number, since it is larger than the sum of its proper divisors (667371).

2002101 is an equidigital number, since it uses as much as digits as its factorization.

2002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667370.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 2002101 is about 1414.9561830672. The cubic root of 2002101 is about 126.0362077852.

Adding to 2002101 its reverse (1012002), we get a palindrome (3014103).

Subtracting from 2002101 its reverse (1012002), we obtain a palindrome (990099).

It can be divided in two parts, 2002 and 101, that multiplied together give a palindrome (202202).

The spelling of 2002101 in words is "two million, two thousand, one hundred one".

Divisors: 1 3 667367 2002101