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4780000717 = 23920000003
BaseRepresentation
bin1000111001110100…
…10000010111001101
3110100010102012021121
410130322100113031
534242140010332
62110152000541
7226311223102
oct43472202715
913303365247
104780000717
112033205318
12b14990151
135b23c15bb
14334b94aa9
151ce99b797
hex11ce905cd

4780000717 has 4 divisors (see below), whose sum is σ = 4800000960. Its totient is φ = 4760000476.

The previous prime is 4780000669. The next prime is 4780000739. The reversal of 4780000717 is 7170000874.

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: 7170000874 = 23585000437.

It is a cyclic number.

It is not a de Polignac number, because 4780000717 - 211 = 4779998669 is a prime.

It is a Duffinian number.

4780000717 is a modest number, since divided by 717 gives 478 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4780000747) 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, 9999763 + ... + 10000240.

It is an arithmetic number, because the mean of its divisors is an integer number (1200000240).

Almost surely, 24780000717 is an apocalyptic number.

It is an amenable number.

4780000717 is a deficient number, since it is larger than the sum of its proper divisors (20000243).

4780000717 is a wasteful number, since it uses less digits than its factorization.

4780000717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20000242.

The product of its (nonzero) digits is 10976, while the sum is 34.

The square root of 4780000717 is about 69137.5492550900. The cubic root of 4780000717 is about 1684.5192847773.

The spelling of 4780000717 in words is "four billion, seven hundred eighty million, seven hundred seventeen", and thus it is an aban number.

Divisors: 1 239 20000003 4780000717