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4720717 = 12737171
BaseRepresentation
bin10010000000100001001101
322212211121101
4102000201031
52202030332
6245103101
755061011
oct22004115
98784541
104720717
112734821
1216b7a91
13c93931
148ac541
15633ae7
hex48084d

4720717 has 4 divisors (see below), whose sum is σ = 4758016. Its totient is φ = 4683420.

The previous prime is 4720697. The next prime is 4720741. The reversal of 4720717 is 7170274.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7170274 = 23585137.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4720717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4720777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18459 + ... + 18712.

It is an arithmetic number, because the mean of its divisors is an integer number (1189504).

Almost surely, 24720717 is an apocalyptic number.

It is an amenable number.

4720717 is a deficient number, since it is larger than the sum of its proper divisors (37299).

4720717 is a wasteful number, since it uses less digits than its factorization.

4720717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37298.

The product of its (nonzero) digits is 2744, while the sum is 28.

The square root of 4720717 is about 2172.7211049741. The cubic root of 4720717 is about 167.7526239240.

The spelling of 4720717 in words is "four million, seven hundred twenty thousand, seven hundred seventeen".

Divisors: 1 127 37171 4720717