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2117101 = 7302443
BaseRepresentation
bin1000000100110111101101
310222120010011
420010313231
51020221401
6113213221
723665210
oct10046755
93876104
102117101
111216678
12861211
1359182c
143d1777
152bc451
hex204ded

2117101 has 4 divisors (see below), whose sum is σ = 2419552. Its totient is φ = 1814652.

The previous prime is 2117099. The next prime is 2117119. The reversal of 2117101 is 1017112.

2117101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2117101 - 21 = 2117099 is a prime.

It is a Duffinian number.

2117101 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117131) 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 3 ways as a sum of consecutive naturals, for example, 151215 + ... + 151228.

It is an arithmetic number, because the mean of its divisors is an integer number (604888).

22117101 is an apocalyptic number.

It is an amenable number.

2117101 is a deficient number, since it is larger than the sum of its proper divisors (302451).

2117101 is an equidigital number, since it uses as much as digits as its factorization.

2117101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302450.

The product of its (nonzero) digits is 14, while the sum is 13.

The square root of 2117101 is about 1455.0261166041. The cubic root of 2117101 is about 128.4045832870.

The spelling of 2117101 in words is "two million, one hundred seventeen thousand, one hundred one".

Divisors: 1 7 302443 2117101