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4705571997 = 32774691619
BaseRepresentation
bin1000110000111100…
…10101010010011101
3110010221100211021100
410120132111102131
534114111300442
62054532423313
7224415462540
oct43036252235
913127324240
104705571997
111aa5199985
12ab3a77b39
1359cb62039
14328d3c857
151c819884c
hex11879549d

4705571997 has 12 divisors (see below), whose sum is σ = 7767928480. Its totient is φ = 2688898248.

The previous prime is 4705571989. The next prime is 4705571999. The reversal of 4705571997 is 7991755074.

It is a happy number.

4705571997 is a `hidden beast` number, since 4 + 70 + 557 + 19 + 9 + 7 = 666.

It is not a de Polignac number, because 4705571997 - 23 = 4705571989 is a prime.

It is a super-3 number, since 3×47055719973 (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4705571999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37345747 + ... + 37345872.

Almost surely, 24705571997 is an apocalyptic number.

It is an amenable number.

4705571997 is a deficient number, since it is larger than the sum of its proper divisors (3062356483).

4705571997 is a wasteful number, since it uses less digits than its factorization.

4705571997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74691632 (or 74691629 counting only the distinct ones).

The product of its (nonzero) digits is 2778300, while the sum is 54.

The square root of 4705571997 is about 68597.1719315017. The cubic root of 4705571997 is about 1675.7303709590.

The spelling of 4705571997 in words is "four billion, seven hundred five million, five hundred seventy-one thousand, nine hundred ninety-seven".

Divisors: 1 3 7 9 21 63 74691619 224074857 522841333 672224571 1568523999 4705571997