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485747069 = 1728573357
BaseRepresentation
bin11100111100111…
…110100101111101
31020212000111201012
4130330332211331
51443322401234
6120111125005
715015532133
oct3474764575
91225014635
10485747069
1122a211a65
12116813765
1379834802
1448725753
152c9a00ce
hex1cf3e97d

485747069 has 4 divisors (see below), whose sum is σ = 514320444. Its totient is φ = 457173696.

The previous prime is 485747057. The next prime is 485747089. The reversal of 485747069 is 960747584.

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

It can be written as a sum of positive squares in 2 ways, for example, as 440454169 + 45292900 = 20987^2 + 6730^2 .

It is a cyclic number.

It is not a de Polignac number, because 485747069 - 216 = 485681533 is a prime.

It is a super-2 number, since 2×4857470692 = 471900430084181522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485747039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14286662 + ... + 14286695.

It is an arithmetic number, because the mean of its divisors is an integer number (128580111).

Almost surely, 2485747069 is an apocalyptic number.

It is an amenable number.

485747069 is a deficient number, since it is larger than the sum of its proper divisors (28573375).

485747069 is a wasteful number, since it uses less digits than its factorization.

485747069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28573374.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The square root of 485747069 is about 22039.6703468995. The cubic root of 485747069 is about 786.0860022611.

The spelling of 485747069 in words is "four hundred eighty-five million, seven hundred forty-seven thousand, sixty-nine".

Divisors: 1 17 28573357 485747069