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485955631 = 769422233
BaseRepresentation
bin11100111101110…
…001100000101111
31020212102002210201
4130331301200233
51443401040011
6120115414331
715020361160
oct3475614057
91225362721
10485955631
1122a344727
121168b43a7
13798a8715
144877b767
152c9e1cc1
hex1cf7182f

485955631 has 4 divisors (see below), whose sum is σ = 555377872. Its totient is φ = 416533392.

The previous prime is 485955601. The next prime is 485955667. The reversal of 485955631 is 136559584.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 485955631 - 211 = 485953583 is a prime.

It is a super-2 number, since 2×4859556312 = 472305750601216322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485955601) 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 3 ways as a sum of consecutive naturals, for example, 34711110 + ... + 34711123.

It is an arithmetic number, because the mean of its divisors is an integer number (138844468).

Almost surely, 2485955631 is an apocalyptic number.

485955631 is a deficient number, since it is larger than the sum of its proper divisors (69422241).

485955631 is an equidigital number, since it uses as much as digits as its factorization.

485955631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69422240.

The product of its digits is 648000, while the sum is 46.

The square root of 485955631 is about 22044.4013527245. The cubic root of 485955631 is about 786.1984916755.

The spelling of 485955631 in words is "four hundred eighty-five million, nine hundred fifty-five thousand, six hundred thirty-one".

Divisors: 1 7 69422233 485955631