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485057631 = 3198509783
BaseRepresentation
bin11100111010010…
…110010001011111
31020210201110222110
4130322112101133
51443133321011
6120044245103
715006631122
oct3472262137
91223643873
10485057631
11229890a83
12116540793
1379652a66
14485c63b9
152c8b5ba6
hex1ce9645f

485057631 has 8 divisors (see below), whose sum is σ = 680782720. Its totient is φ = 306352152.

The previous prime is 485057611. The next prime is 485057633. The reversal of 485057631 is 136750584.

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

It is not a de Polignac number, because 485057631 - 29 = 485057119 is a prime.

It is a super-2 number, since 2×4850576312 = 470561810782664322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 485057631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485057633) 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, 4254835 + ... + 4254948.

It is an arithmetic number, because the mean of its divisors is an integer number (85097840).

Almost surely, 2485057631 is an apocalyptic number.

485057631 is a deficient number, since it is larger than the sum of its proper divisors (195725089).

485057631 is a wasteful number, since it uses less digits than its factorization.

485057631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8509805.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 485057631 is about 22024.0239511312. The cubic root of 485057631 is about 785.7139196110.

It can be divided in two parts, 4850 and 57631, that added together give a triangular number (62481 = T353).

The spelling of 485057631 in words is "four hundred eighty-five million, fifty-seven thousand, six hundred thirty-one".

Divisors: 1 3 19 57 8509783 25529349 161685877 485057631