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475949 = 1727997
BaseRepresentation
bin1110100001100101101
3220011212202
41310030231
5110212244
614111245
74021415
oct1641455
9804782
10475949
112a5651
121ab525
13138836
14c5645
159604e
hex7432d

475949 has 4 divisors (see below), whose sum is σ = 503964. Its totient is φ = 447936.

The previous prime is 475933. The next prime is 475957. The reversal of 475949 is 949574.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 949574 = 2474787.

It can be written as a sum of positive squares in 2 ways, for example, as 413449 + 62500 = 643^2 + 250^2 .

It is a cyclic number.

It is not a de Polignac number, because 475949 - 24 = 475933 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 (475549) 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, 13982 + ... + 14015.

It is an arithmetic number, because the mean of its divisors is an integer number (125991).

2475949 is an apocalyptic number.

It is an amenable number.

475949 is a deficient number, since it is larger than the sum of its proper divisors (28015).

475949 is a wasteful number, since it uses less digits than its factorization.

475949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28014.

The product of its digits is 45360, while the sum is 38.

The square root of 475949 is about 689.8905710328. The cubic root of 475949 is about 78.0764645734.

It can be divided in two parts, 475 and 949, that multiplied together give a triangular number (450775 = T949).

The spelling of 475949 in words is "four hundred seventy-five thousand, nine hundred forty-nine".

Divisors: 1 17 27997 475949