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473930906 = 2236965453
BaseRepresentation
bin11100001111111…
…001110010011010
31020000210011222112
4130033321302122
51432311242111
6115005552322
714513226521
oct3417716232
91200704875
10473930906
11223581339
121128756a2
13772583b7
1446d2b4b8
152b918e8b
hex1c3f9c9a

473930906 has 4 divisors (see below), whose sum is σ = 710896362. Its totient is φ = 236965452.

The previous prime is 473930903. The next prime is 473930917. The reversal of 473930906 is 609039374.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 609039374 = 2304519687.

It can be written as a sum of positive squares in only one way, i.e., 437437225 + 36493681 = 20915^2 + 6041^2 .

It is a super-2 number, since 2×4739309062 = 449221007323961672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (473930903) 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 as a sum of consecutive naturals, namely, 118482725 + ... + 118482728.

Almost surely, 2473930906 is an apocalyptic number.

473930906 is a deficient number, since it is larger than the sum of its proper divisors (236965456).

473930906 is a wasteful number, since it uses less digits than its factorization.

473930906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236965455.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 473930906 is about 21769.9542029835. The cubic root of 473930906 is about 779.6595632479.

The spelling of 473930906 in words is "four hundred seventy-three million, nine hundred thirty thousand, nine hundred six".

Divisors: 1 2 236965453 473930906