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475344479 = 919517241
BaseRepresentation
bin11100010101010…
…010111001011111
31020010110000001002
4130111102321133
51433142010404
6115100140515
714531234651
oct3425227137
91203400032
10475344479
11224357385
1211323773b
137763192c
14471b86d1
152bae7c1e
hex1c552e5f

475344479 has 4 divisors (see below), whose sum is σ = 475862640. Its totient is φ = 474826320.

The previous prime is 475344469. The next prime is 475344491. The reversal of 475344479 is 974443574.

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

It is a cyclic number.

It is not a de Polignac number, because 475344479 - 216 = 475278943 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 (475344409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257702 + ... + 259539.

It is an arithmetic number, because the mean of its divisors is an integer number (118965660).

Almost surely, 2475344479 is an apocalyptic number.

475344479 is a deficient number, since it is larger than the sum of its proper divisors (518161).

475344479 is an equidigital number, since it uses as much as digits as its factorization.

475344479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518160.

The product of its digits is 1693440, while the sum is 47.

The square root of 475344479 is about 21802.3961756501. The cubic root of 475344479 is about 780.4339460195.

The spelling of 475344479 in words is "four hundred seventy-five million, three hundred forty-four thousand, four hundred seventy-nine".

Divisors: 1 919 517241 475344479