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485287787 = 2321099469
BaseRepresentation
bin11100111011001…
…110011101101011
31020211011011200202
4130323032131223
51443213202122
6120053222415
715011610125
oct3473163553
91224134622
10485287787
11229a28996
12116631a0b
137970374a
1448646215
152c90de92
hex1cece76b

485287787 has 4 divisors (see below), whose sum is σ = 506387280. Its totient is φ = 464188296.

The previous prime is 485287783. The next prime is 485287807. The reversal of 485287787 is 787782584.

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 485287787 - 22 = 485287783 is a prime.

It is a super-2 number, since 2×4852877872 = 471008472422714738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485287783) 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, 10549712 + ... + 10549757.

It is an arithmetic number, because the mean of its divisors is an integer number (126596820).

Almost surely, 2485287787 is an apocalyptic number.

485287787 is a deficient number, since it is larger than the sum of its proper divisors (21099493).

485287787 is a wasteful number, since it uses less digits than its factorization.

485287787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21099492.

The product of its digits is 7024640, while the sum is 56.

The square root of 485287787 is about 22029.2484438303. The cubic root of 485287787 is about 785.8381716359.

The spelling of 485287787 in words is "four hundred eighty-five million, two hundred eighty-seven thousand, seven hundred eighty-seven".

Divisors: 1 23 21099469 485287787