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487864 = 23134691
BaseRepresentation
bin1110111000110111000
3220210020001
41313012320
5111102424
614242344
74101226
oct1670670
9823201
10487864
113035a3
121b63b4
131410a0
14c9b16
1599844
hex771b8

487864 has 16 divisors (see below), whose sum is σ = 985320. Its totient is φ = 225120.

The previous prime is 487843. The next prime is 487873. The reversal of 487864 is 468784.

It is a super-2 number, since 2×4878642 = 476022564992, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2242 + ... + 2449.

2487864 is an apocalyptic number.

It is an amenable number.

487864 is an abundant number, since it is smaller than the sum of its proper divisors (497456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

487864 is a wasteful number, since it uses less digits than its factorization.

487864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4710 (or 4706 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 487864 is about 698.4726193631. The cubic root of 487864 is about 78.7226292719.

The spelling of 487864 in words is "four hundred eighty-seven thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 13 26 52 104 4691 9382 18764 37528 60983 121966 243932 487864