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485128043 = 1034709981
BaseRepresentation
bin11100111010100…
…111011101101011
31020210212001120022
4130322213131223
51443143044133
6120045551055
715010343321
oct3472473553
91223761508
10485128043
11229929974
1211657548b
1379678b1a
1448603d11
152c8cb998
hex1cea776b

485128043 has 4 divisors (see below), whose sum is σ = 489838128. Its totient is φ = 480417960.

The previous prime is 485128009. The next prime is 485128067. The reversal of 485128043 is 340821584.

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 485128043 - 28 = 485127787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 485127994 and 485128012.

It is not an unprimeable number, because it can be changed into a prime (485128073) 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 3 ways as a sum of consecutive naturals, for example, 2354888 + ... + 2355093.

It is an arithmetic number, because the mean of its divisors is an integer number (122459532).

Almost surely, 2485128043 is an apocalyptic number.

485128043 is a deficient number, since it is larger than the sum of its proper divisors (4710085).

485128043 is a wasteful number, since it uses less digits than its factorization.

485128043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4710084.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 485128043 is about 22025.6224202632. The cubic root of 485128043 is about 785.7519364075.

The spelling of 485128043 in words is "four hundred eighty-five million, one hundred twenty-eight thousand, forty-three".

Divisors: 1 103 4709981 485128043