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28470229441 = 337148956737
BaseRepresentation
bin11010100000111101…
…010011100111000001
32201111010202111200021
4122200331103213001
5431301334320231
621025023453441
72025342646243
oct324075234701
981433674607
1028470229441
111108a77a845
125626757281
1328b947b414
1415411d6093
15b1969d811
hex6a0f539c1

28470229441 has 8 divisors (see below), whose sum is σ = 28574391560. Its totient is φ = 28366184448.

The previous prime is 28470229427. The next prime is 28470229483. The reversal of 28470229441 is 14492207482.

It can be written as a sum of positive squares in 4 ways, for example, as 782600625 + 27687628816 = 27975^2 + 166396^2 .

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 28470229441 - 29 = 28470228929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28470229241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473425 + ... + 530161.

It is an arithmetic number, because the mean of its divisors is an integer number (3571798945).

Almost surely, 228470229441 is an apocalyptic number.

It is an amenable number.

28470229441 is a deficient number, since it is larger than the sum of its proper divisors (104162119).

28470229441 is a wasteful number, since it uses less digits than its factorization.

28470229441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58563.

The product of its (nonzero) digits is 258048, while the sum is 43.

The spelling of 28470229441 in words is "twenty-eight billion, four hundred seventy million, two hundred twenty-nine thousand, four hundred forty-one".

Divisors: 1 337 1489 56737 501793 19120369 84481393 28470229441