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470038949 is a prime number
BaseRepresentation
bin11100000001000…
…011100110100101
31012202110110012222
4130001003212211
51430312221244
6114350322125
714435156642
oct3401034645
91182413188
10470038949
11221363246
121114b9345
13764c4a73
14465d6dc9
152b3eabee
hex1c0439a5

470038949 has 2 divisors, whose sum is σ = 470038950. Its totient is φ = 470038948.

The previous prime is 470038937. The next prime is 470038979. The reversal of 470038949 is 949830074.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 460317025 + 9721924 = 21455^2 + 3118^2 .

It is a cyclic number.

It is not a de Polignac number, because 470038949 - 28 = 470038693 is a prime.

It is a super-2 number, since 2×4700389492 = 441873227154049202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (470038979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235019474 + 235019475.

It is an arithmetic number, because the mean of its divisors is an integer number (235019475).

Almost surely, 2470038949 is an apocalyptic number.

It is an amenable number.

470038949 is a deficient number, since it is larger than the sum of its proper divisors (1).

470038949 is an equidigital number, since it uses as much as digits as its factorization.

470038949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 470038949 is about 21680.3816617697. The cubic root of 470038949 is about 777.5194862828.

The spelling of 470038949 in words is "four hundred seventy million, thirty-eight thousand, nine hundred forty-nine".