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487761017 = 1014829317
BaseRepresentation
bin11101000100101…
…010010001111001
31020222210211022212
4131010222101321
51444331323032
6120222224505
715041620532
oct3504522171
91228724285
10487761017
11230368087
12117425135
137a08b3b3
1448acb689
152cc4bbb2
hex1d12a479

487761017 has 4 divisors (see below), whose sum is σ = 492590436. Its totient is φ = 482931600.

The previous prime is 487761011. The next prime is 487761019. The reversal of 487761017 is 710167784.

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 458773561 + 28987456 = 21419^2 + 5384^2 .

It is a cyclic number.

It is not a de Polignac number, because 487761017 - 26 = 487760953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487761011) 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, 2414558 + ... + 2414759.

It is an arithmetic number, because the mean of its divisors is an integer number (123147609).

Almost surely, 2487761017 is an apocalyptic number.

It is an amenable number.

487761017 is a deficient number, since it is larger than the sum of its proper divisors (4829419).

487761017 is a wasteful number, since it uses less digits than its factorization.

487761017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4829418.

The product of its (nonzero) digits is 65856, while the sum is 41.

The square root of 487761017 is about 22085.3122459249. The cubic root of 487761017 is about 787.1708970690.

The spelling of 487761017 in words is "four hundred eighty-seven million, seven hundred sixty-one thousand, seventeen".

Divisors: 1 101 4829317 487761017