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9728292041 = 131744019421
BaseRepresentation
bin10010000111101100…
…11111010011001001
3221002222111102212122
421003312133103021
5124410420321131
64245155021025
7463035055316
oct110366372311
927088442778
109728292041
114142404886
121a75b9a775
13bc0617130
14684035d0d
153be0dbd7b
hex243d9f4c9

9728292041 has 8 divisors (see below), whose sum is σ = 11092894344. Its totient is φ = 8451728640.

The previous prime is 9728292031. The next prime is 9728292061. The reversal of 9728292041 is 1402928279.

It can be written as a sum of positive squares in 4 ways, for example, as 1336999225 + 8391292816 = 36565^2 + 91604^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9728292041 - 26 = 9728291977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9728291983 and 9728292001.

It is not an unprimeable number, because it can be changed into a prime (9728292031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22009490 + ... + 22009931.

It is an arithmetic number, because the mean of its divisors is an integer number (1386611793).

Almost surely, 29728292041 is an apocalyptic number.

It is an amenable number.

9728292041 is a deficient number, since it is larger than the sum of its proper divisors (1364602303).

9728292041 is a wasteful number, since it uses less digits than its factorization.

9728292041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44019451.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 9728292041 is about 98632.1045147066. The cubic root of 9728292041 is about 2134.7426806795.

The spelling of 9728292041 in words is "nine billion, seven hundred twenty-eight million, two hundred ninety-two thousand, forty-one".

Divisors: 1 13 17 221 44019421 572252473 748330157 9728292041