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485645649 = 31559103837
BaseRepresentation
bin11100111100100…
…101110101010001
31020211211100120220
4130330211311101
51443311130044
6120105023253
715014630346
oct3474456521
91224740526
10485645649
1122a152845
12116784b29
13797ca5b8
14486da7cd
152c980019
hex1cf25d51

485645649 has 8 divisors (see below), whose sum is σ = 647949120. Its totient is φ = 323552976.

The previous prime is 485645639. The next prime is 485645651. The reversal of 485645649 is 946546584.

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

It is not a de Polignac number, because 485645649 - 219 = 485121361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (485645639) 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, 47242 + ... + 56595.

It is an arithmetic number, because the mean of its divisors is an integer number (80993640).

Almost surely, 2485645649 is an apocalyptic number.

It is an amenable number.

485645649 is a deficient number, since it is larger than the sum of its proper divisors (162303471).

485645649 is a wasteful number, since it uses less digits than its factorization.

485645649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105399.

The product of its digits is 4147200, while the sum is 51.

The square root of 485645649 is about 22037.3693756764. The cubic root of 485645649 is about 786.0312890185.

It can be divided in two parts, 4856 and 45649, that added together give a palindrome (50505).

The spelling of 485645649 in words is "four hundred eighty-five million, six hundred forty-five thousand, six hundred forty-nine".

Divisors: 1 3 1559 4677 103837 311511 161881883 485645649