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296688285481 = 72778132
BaseRepresentation
bin1000101000100111111…
…11111111011100101001
31001100210201100111110211
410110103333333130221
514330104200113411
6344144031341121
730302132550100
oct4242377773451
91040721314424
10296688285481
11104908891155
12496003817a1
1321c929a7513
1410507397037
157ab6a95221
hex4513fff729

296688285481 has 9 divisors (see below), whose sum is σ = 345131624631. Its totient is φ = 254300976552.

The previous prime is 296688285463. The next prime is 296688285521. The reversal of 296688285481 is 184582886692.

The square root of 296688285481 is 544691.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 288675171225 + 8013114256 = 537285^2 + 89516^2 .

It is not a de Polignac number, because 296688285481 - 215 = 296688252713 is a prime.

It is a super-2 number, since 2×2966882854812 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (296688285431) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3773931 + ... + 3851743.

Almost surely, 2296688285481 is an apocalyptic number.

296688285481 is the 544691-st square number.

296688285481 is the 272346-th centered octagonal number.

It is an amenable number.

296688285481 is a deficient number, since it is larger than the sum of its proper divisors (48443339150).

296688285481 is an frugal number, since it uses more digits than its factorization.

296688285481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155640 (or 77820 counting only the distinct ones).

The product of its digits is 106168320, while the sum is 67.

It can be divided in two parts, 296688 and 285481, that added together give a square (582169 = 7632).

The spelling of 296688285481 in words is "two hundred ninety-six billion, six hundred eighty-eight million, two hundred eighty-five thousand, four hundred eighty-one".

Divisors: 1 7 49 77813 544691 3812837 6054862969 42384040783 296688285481