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485323991 = 618395857
BaseRepresentation
bin11100111011010…
…111010011010111
31020211020000100122
4130323113103113
51443220331431
6120054102155
715012120515
oct3473272327
91224200318
10485323991
11229a53109
1211664a95b
1379717079
14486554b5
152c919a7b
hex1ced74d7

485323991 has 8 divisors (see below), whose sum is σ = 499228464. Its totient is φ = 471611520.

The previous prime is 485323981. The next prime is 485323997. The reversal of 485323991 is 199323584.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-485323991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485323997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42866 + ... + 52991.

It is an arithmetic number, because the mean of its divisors is an integer number (62403558).

Almost surely, 2485323991 is an apocalyptic number.

485323991 is a deficient number, since it is larger than the sum of its proper divisors (13904473).

485323991 is an equidigital number, since it uses as much as digits as its factorization.

485323991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96001.

The product of its digits is 233280, while the sum is 44.

The square root of 485323991 is about 22030.0701542233. The cubic root of 485323991 is about 785.8577131523.

The spelling of 485323991 in words is "four hundred eighty-five million, three hundred twenty-three thousand, nine hundred ninety-one".

Divisors: 1 61 83 5063 95857 5847277 7956131 485323991