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475240303 = 3491136133
BaseRepresentation
bin11100010100111…
…001011101101111
31020010020201010201
4130110321131233
51433130142203
6115054014331
714530322146
oct3424713557
91203221121
10475240303
1122429608a
121131a73a7
13775c63a5
144718c75d
152bac6e1d
hex1c53976f

475240303 has 4 divisors (see below), whose sum is σ = 475379928. Its totient is φ = 475100680.

The previous prime is 475240291. The next prime is 475240309. The reversal of 475240303 is 303042574.

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-475240303 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 (475240309) 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, 64576 + ... + 71557.

It is an arithmetic number, because the mean of its divisors is an integer number (118844982).

Almost surely, 2475240303 is an apocalyptic number.

475240303 is a deficient number, since it is larger than the sum of its proper divisors (139625).

475240303 is a wasteful number, since it uses less digits than its factorization.

475240303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139624.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 475240303 is about 21800.0069495402. The cubic root of 475240303 is about 780.3769288243.

Adding to 475240303 its reverse (303042574), we get a palindrome (778282877).

The spelling of 475240303 in words is "four hundred seventy-five million, two hundred forty thousand, three hundred three".

Divisors: 1 3491 136133 475240303