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2197049793 = 3732349931
BaseRepresentation
bin1000001011110100…
…0101000111000001
312200010010200201120
42002331011013001
513444421043133
61002002222453
7105305420661
oct20275050701
95603120646
102197049793
11a281a5034
12513954a29
1329023a883
1416bb101a1
15ccd37ab3
hex82f451c1

2197049793 has 4 divisors (see below), whose sum is σ = 2929399728. Its totient is φ = 1464699860.

The previous prime is 2197049741. The next prime is 2197049801. The reversal of 2197049793 is 3979407912.

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 2197049793 - 213 = 2197041601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2197049293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366174963 + ... + 366174968.

It is an arithmetic number, because the mean of its divisors is an integer number (732349932).

Almost surely, 22197049793 is an apocalyptic number.

It is an amenable number.

2197049793 is a deficient number, since it is larger than the sum of its proper divisors (732349935).

2197049793 is an equidigital number, since it uses as much as digits as its factorization.

2197049793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732349934.

The product of its (nonzero) digits is 857304, while the sum is 51.

The square root of 2197049793 is about 46872.6977354622. The cubic root of 2197049793 is about 1300.0098210303.

The spelling of 2197049793 in words is "two billion, one hundred ninety-seven million, forty-nine thousand, seven hundred ninety-three".

Divisors: 1 3 732349931 2197049793