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487497 = 3162499
BaseRepresentation
bin1110111000001001001
3220202201110
41313001021
5111044442
614240533
74100163
oct1670111
9822643
10487497
1130329a
121b6149
13140b7a
14c9933
159969c
hex77049

487497 has 4 divisors (see below), whose sum is σ = 650000. Its totient is φ = 324996.

The previous prime is 487489. The next prime is 487507. The reversal of 487497 is 794784.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 487497 - 23 = 487489 is a prime.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (487427) 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, 81247 + ... + 81252.

It is an arithmetic number, because the mean of its divisors is an integer number (162500).

2487497 is an apocalyptic number.

It is an amenable number.

487497 is a deficient number, since it is larger than the sum of its proper divisors (162503).

487497 is a wasteful number, since it uses less digits than its factorization.

487497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162502.

The product of its digits is 56448, while the sum is 39.

The square root of 487497 is about 698.2098538405. The cubic root of 487497 is about 78.7028843891.

The spelling of 487497 in words is "four hundred eighty-seven thousand, four hundred ninety-seven".

Divisors: 1 3 162499 487497