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487405 = 5432267
BaseRepresentation
bin1110110111111101101
3220202121001
41312333231
5111044110
614240301
74100002
oct1667755
9822531
10487405
11303216
121b6091
13140b09
14c98a9
159963a
hex76fed

487405 has 8 divisors (see below), whose sum is σ = 598752. Its totient is φ = 380688.

The previous prime is 487397. The next prime is 487423. The reversal of 487405 is 504784.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 487405 - 23 = 487397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919 + ... + 1348.

It is an arithmetic number, because the mean of its divisors is an integer number (74844).

2487405 is an apocalyptic number.

It is an amenable number.

487405 is a deficient number, since it is larger than the sum of its proper divisors (111347).

487405 is a wasteful number, since it uses less digits than its factorization.

487405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 487405 is about 698.1439679608. The cubic root of 487405 is about 78.6979331649.

The spelling of 487405 in words is "four hundred eighty-seven thousand, four hundred five".

Divisors: 1 5 43 215 2267 11335 97481 487405