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485233448569 = 472148212
BaseRepresentation
bin1110000111110100010…
…10101101011001111001
31201101110202100011210021
413003322022231121321
530422224230323234
61010525124450441
750025352155112
oct7037212553171
91641422304707
10485233448569
111778716a4891
127a05b849a21
13369aca9a88c
14196b200b209
15c94e5839b4
hex70fa2ad679

485233448569 has 9 divisors (see below), whose sum is σ = 495810679791. Its totient is φ = 474877289640.

The previous prime is 485233448551. The next prime is 485233448599. The reversal of 485233448569 is 965844332584.

It is a happy number.

The square root of 485233448569 is 696587.

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., 213062558569 + 272170890000 = 461587^2 + 521700^2 .

It is not a de Polignac number, because 485233448569 - 25 = 485233448537 is a prime.

It is a super-2 number, since 2×4852334485692 (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 (485233448599) 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, 32732179 + ... + 32746999.

Almost surely, 2485233448569 is an apocalyptic number.

485233448569 is the 696587-th square number.

485233448569 is the 348294-th centered octagonal number.

It is an amenable number.

485233448569 is a deficient number, since it is larger than the sum of its proper divisors (10577231222).

485233448569 is an frugal number, since it uses more digits than its factorization.

485233448569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29736 (or 14868 counting only the distinct ones).

The product of its digits is 99532800, while the sum is 61.

The spelling of 485233448569 in words is "four hundred eighty-five billion, two hundred thirty-three million, four hundred forty-eight thousand, five hundred sixty-nine".

Divisors: 1 47 2209 14821 696587 32739589 219662041 10324115927 485233448569