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2101793 = 47197227
BaseRepresentation
bin1000000001001000100001
310221210010012
420001020201
51014224133
6113014305
723602451
oct10011041
93853105
102101793
111206121
12854395
13587885
143c9d61
152b7b48
hex201221

2101793 has 8 divisors (see below), whose sum is σ = 2166912. Its totient is φ = 2037616.

The previous prime is 2101789. The next prime is 2101807. The reversal of 2101793 is 3971012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2101793 - 22 = 2101789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2101703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9146 + ... + 9372.

It is an arithmetic number, because the mean of its divisors is an integer number (270864).

22101793 is an apocalyptic number.

It is an amenable number.

2101793 is a deficient number, since it is larger than the sum of its proper divisors (65119).

2101793 is a wasteful number, since it uses less digits than its factorization.

2101793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 2101793 is about 1449.7561863983. The cubic root of 2101793 is about 128.0943518207.

The spelling of 2101793 in words is "two million, one hundred one thousand, seven hundred ninety-three".

Divisors: 1 47 197 227 9259 10669 44719 2101793