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495487 = 4671061
BaseRepresentation
bin1111000111101111111
3221011200101
41320331333
5111323422
614341531
74132366
oct1707577
9834611
10495487
113092a3
121ba8a7
131446b5
14cc7dd
159bc27
hex78f7f

495487 has 4 divisors (see below), whose sum is σ = 497016. Its totient is φ = 493960.

The previous prime is 495461. The next prime is 495491. The reversal of 495487 is 784594.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 784594 = 2392297.

It is a cyclic number.

It is not a de Polignac number, because 495487 - 27 = 495359 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 (495437) 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, 64 + ... + 997.

It is an arithmetic number, because the mean of its divisors is an integer number (124254).

2495487 is an apocalyptic number.

495487 is a deficient number, since it is larger than the sum of its proper divisors (1529).

495487 is a wasteful number, since it uses less digits than its factorization.

495487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528.

The product of its digits is 40320, while the sum is 37.

The square root of 495487 is about 703.9083747193. The cubic root of 495487 is about 79.1305324786.

It can be divided in two parts, 4954 and 87, that added together give a square (5041 = 712).

The spelling of 495487 in words is "four hundred ninety-five thousand, four hundred eighty-seven".

Divisors: 1 467 1061 495487