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474491873 = 1988923857
BaseRepresentation
bin11100010010000…
…010101111100001
31020001211200111002
4130102002233201
51432432214443
6115030001345
714521054142
oct3422025741
91201750432
10474491873
11223924849
12112aa6255
13773c382b
1447035ac9
152b9ca2b8
hex1c482be1

474491873 has 4 divisors (see below), whose sum is σ = 474535620. Its totient is φ = 474448128.

The previous prime is 474491867. The next prime is 474491891. The reversal of 474491873 is 378194474.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 234334864 + 240157009 = 15308^2 + 15497^2 .

It is a cyclic number.

It is not a de Polignac number, because 474491873 - 218 = 474229729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (474491803) 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, 7961 + ... + 31817.

It is an arithmetic number, because the mean of its divisors is an integer number (118633905).

Almost surely, 2474491873 is an apocalyptic number.

It is an amenable number.

474491873 is a deficient number, since it is larger than the sum of its proper divisors (43747).

474491873 is a wasteful number, since it uses less digits than its factorization.

474491873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43746.

The product of its digits is 677376, while the sum is 47.

The square root of 474491873 is about 21782.8343656192. The cubic root of 474491873 is about 779.9670559174.

The spelling of 474491873 in words is "four hundred seventy-four million, four hundred ninety-one thousand, eight hundred seventy-three".

Divisors: 1 19889 23857 474491873