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497131 = 1729243
BaseRepresentation
bin1111001010111101011
3221020221021
41321113223
5111402011
614353311
74140235
oct1712753
9836837
10497131
1130a558
121bb837
1314537b
14cd255
159c471
hex795eb

497131 has 4 divisors (see below), whose sum is σ = 526392. Its totient is φ = 467872.

The previous prime is 497117. The next prime is 497137. The reversal of 497131 is 131794.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-497131 is a prime.

It is a super-2 number, since 2×4971312 = 494278462322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 497096 and 497105.

It is not an unprimeable number, because it can be changed into a prime (497137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14605 + ... + 14638.

It is an arithmetic number, because the mean of its divisors is an integer number (131598).

2497131 is an apocalyptic number.

497131 is a deficient number, since it is larger than the sum of its proper divisors (29261).

497131 is a wasteful number, since it uses less digits than its factorization.

497131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29260.

The product of its digits is 756, while the sum is 25.

The square root of 497131 is about 705.0751732971. The cubic root of 497131 is about 79.2179528563.

The spelling of 497131 in words is "four hundred ninety-seven thousand, one hundred thirty-one".

Divisors: 1 17 29243 497131