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485042509 = 7371872751
BaseRepresentation
bin11100111010010…
…010100101001101
31020210200201020101
4130322102211031
51443132330014
6120044051101
715006536050
oct3472224515
91223621211
10485042509
11229880686
12116533a91
1379648c03
14485c0a97
152c8b1474
hex1ce9294d

485042509 has 8 divisors (see below), whose sum is σ = 569316608. Its totient is φ = 404514000.

The previous prime is 485042497. The next prime is 485042513. The reversal of 485042509 is 905240584.

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

It is a cyclic number.

It is not a de Polignac number, because 485042509 - 211 = 485040461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485042309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936117 + ... + 936634.

It is an arithmetic number, because the mean of its divisors is an integer number (71164576).

Almost surely, 2485042509 is an apocalyptic number.

It is an amenable number.

485042509 is a deficient number, since it is larger than the sum of its proper divisors (84274099).

485042509 is a wasteful number, since it uses less digits than its factorization.

485042509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872795.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 485042509 is about 22023.6806415277. The cubic root of 485042509 is about 785.7057544717.

The spelling of 485042509 in words is "four hundred eighty-five million, forty-two thousand, five hundred nine".

Divisors: 1 7 37 259 1872751 13109257 69291787 485042509