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485783971 = 1123432577
BaseRepresentation
bin11100111101000…
…111100110100011
31020212002101022221
4130331013212203
51443330041341
6120112011511
715016044541
oct3475074643
91225071287
10485783971
1122a237762
12116830b97
137984854a
1448734d91
152c9aaed1
hex1cf479a3

485783971 has 4 divisors (see below), whose sum is σ = 486217672. Its totient is φ = 485350272.

The previous prime is 485783951. The next prime is 485784007. The reversal of 485783971 is 179387584.

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 485783971 - 25 = 485783939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485783911) 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, 215166 + ... + 217411.

It is an arithmetic number, because the mean of its divisors is an integer number (121554418).

Almost surely, 2485783971 is an apocalyptic number.

485783971 is a deficient number, since it is larger than the sum of its proper divisors (433701).

485783971 is a wasteful number, since it uses less digits than its factorization.

485783971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433700.

The product of its digits is 1693440, while the sum is 52.

The square root of 485783971 is about 22040.5075032314. The cubic root of 485783971 is about 786.1059079644.

The spelling of 485783971 in words is "four hundred eighty-five million, seven hundred eighty-three thousand, nine hundred seventy-one".

Divisors: 1 1123 432577 485783971