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477242890 = 2547724289
BaseRepresentation
bin11100011100100…
…010011000001010
31020021000110011121
4130130202120022
51434133233030
6115204545454
714553332455
oct3434423012
91207013147
10477242890
11225433713
121139b228a
1377b47a57
144755049c
152bd7047a
hex1c72260a

477242890 has 8 divisors (see below), whose sum is σ = 859037220. Its totient is φ = 190897152.

The previous prime is 477242869. The next prime is 477242891. The reversal of 477242890 is 98242774.

It can be written as a sum of positive squares in 2 ways, for example, as 390734289 + 86508601 = 19767^2 + 9301^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (477242891) 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, 23862135 + ... + 23862154.

Almost surely, 2477242890 is an apocalyptic number.

477242890 is a deficient number, since it is larger than the sum of its proper divisors (381794330).

477242890 is a wasteful number, since it uses less digits than its factorization.

477242890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47724296.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 477242890 is about 21845.8895447176. The cubic root of 477242890 is about 781.4715208412.

The spelling of 477242890 in words is "four hundred seventy-seven million, two hundred forty-two thousand, eight hundred ninety".

Divisors: 1 2 5 10 47724289 95448578 238621445 477242890