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497949 = 3165983
BaseRepresentation
bin1111001100100011101
3221022001120
41321210131
5111413244
614401153
74142514
oct1714435
9838046
10497949
11310131
122001b9
1314585a
14cd67b
159c819
hex7991d

497949 has 4 divisors (see below), whose sum is σ = 663936. Its totient is φ = 331964.

The previous prime is 497929. The next prime is 497957. The reversal of 497949 is 949794.

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 a cyclic number.

It is not a de Polignac number, because 497949 - 212 = 493853 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 497949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497929) by changing a digit.

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, 82989 + ... + 82994.

It is an arithmetic number, because the mean of its divisors is an integer number (165984).

2497949 is an apocalyptic number.

It is an amenable number.

497949 is a deficient number, since it is larger than the sum of its proper divisors (165987).

497949 is a wasteful number, since it uses less digits than its factorization.

497949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165986.

The product of its digits is 81648, while the sum is 42.

The square root of 497949 is about 705.6550148621. The cubic root of 497949 is about 79.2613785504.

The spelling of 497949 in words is "four hundred ninety-seven thousand, nine hundred forty-nine".

Divisors: 1 3 165983 497949