Search a number
-
+
2101017 = 3700339
BaseRepresentation
bin1000000000111100011001
310221202001110
420000330121
51014213032
6113010533
723600262
oct10007431
93852043
102101017
111205586
12853a49
13587409
143c9969
152b77cc
hex200f19

2101017 has 4 divisors (see below), whose sum is σ = 2801360. Its totient is φ = 1400676.

The previous prime is 2101007. The next prime is 2101019. The reversal of 2101017 is 7101012.

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 not a de Polignac number, because 2101017 - 26 = 2100953 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100993 and 2101011.

It is not an unprimeable number, because it can be changed into a prime (2101019) 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, 350167 + ... + 350172.

It is an arithmetic number, because the mean of its divisors is an integer number (700340).

22101017 is an apocalyptic number.

It is an amenable number.

2101017 is a deficient number, since it is larger than the sum of its proper divisors (700343).

2101017 is an equidigital number, since it uses as much as digits as its factorization.

2101017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700342.

The product of its (nonzero) digits is 14, while the sum is 12.

The square root of 2101017 is about 1449.4885304824. The cubic root of 2101017 is about 128.0785853691.

Adding to 2101017 its reverse (7101012), we get a palindrome (9202029).

The spelling of 2101017 in words is "two million, one hundred one thousand, seventeen".

Divisors: 1 3 700339 2101017