Base | Representation |
---|---|
bin | 11101000100011… |
… | …101010111010101 |
3 | 1020222201010202121 |
4 | 131010131113111 |
5 | 1444323124432 |
6 | 120221135541 |
7 | 15041310361 |
oct | 3504352725 |
9 | 1228633677 |
10 | 487708117 |
11 | 230331366 |
12 | 1173ba5b1 |
13 | 7a0702b0 |
14 | 48ab62a1 |
15 | 2cc3b197 |
hex | 1d11d5d5 |
487708117 has 8 divisors (see below), whose sum is σ = 525914424. Its totient is φ = 449600448.
The previous prime is 487708099. The next prime is 487708127. The reversal of 487708117 is 711807784.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 11115556 + 476592561 = 3334^2 + 21831^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-487708117 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (487708127) 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, 14218 + ... + 34315.
It is an arithmetic number, because the mean of its divisors is an integer number (65739303).
Almost surely, 2487708117 is an apocalyptic number.
It is an amenable number.
487708117 is a deficient number, since it is larger than the sum of its proper divisors (38206307).
487708117 is a wasteful number, since it uses less digits than its factorization.
487708117 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49319.
The product of its (nonzero) digits is 87808, while the sum is 43.
The square root of 487708117 is about 22084.1145849228. The cubic root of 487708117 is about 787.1424385654.
The spelling of 487708117 in words is "four hundred eighty-seven million, seven hundred eight thousand, one hundred seventeen".
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