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475049 = 2916381
BaseRepresentation
bin1110011111110101001
3220010122102
41303332221
5110200144
614103145
74015661
oct1637651
9803572
10475049
112a4a03
121aaab5
131382c3
14c51a1
1595b4e
hex73fa9

475049 has 4 divisors (see below), whose sum is σ = 491460. Its totient is φ = 458640.

The previous prime is 475037. The next prime is 475051. The reversal of 475049 is 940574.

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

It can be written as a sum of positive squares in 2 ways, for example, as 75625 + 399424 = 275^2 + 632^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-475049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 16381 = 475049 / (4 + 7 + 5 + 0 + 4 + 9).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (475549) 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, 8162 + ... + 8219.

It is an arithmetic number, because the mean of its divisors is an integer number (122865).

2475049 is an apocalyptic number.

It is an amenable number.

475049 is a deficient number, since it is larger than the sum of its proper divisors (16411).

475049 is a wasteful number, since it uses less digits than its factorization.

475049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16410.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 475049 is about 689.2379850240. The cubic root of 475049 is about 78.0272203922.

The spelling of 475049 in words is "four hundred seventy-five thousand, forty-nine".

Divisors: 1 29 16381 475049