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84744346 = 2149284377
BaseRepresentation
bin1010000110100…
…01100010011010
312220110110101111
411003101202122
5133143304341
612224210534
72046213031
oct503214232
9186413344
1084744346
1143921755
1224469a4a
13147319ab
14b37d718
15768e681
hex50d189a

84744346 has 8 divisors (see below), whose sum is σ = 127970100. Its totient is φ = 42087648.

The previous prime is 84744343. The next prime is 84744419. The reversal of 84744346 is 64344748.

It can be written as a sum of positive squares in 2 ways, for example, as 84732025 + 12321 = 9205^2 + 111^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 84744299 and 84744308.

It is not an unprimeable number, because it can be changed into a prime (84744343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141891 + ... + 142486.

Almost surely, 284744346 is an apocalyptic number.

84744346 is a deficient number, since it is larger than the sum of its proper divisors (43225754).

84744346 is a wasteful number, since it uses less digits than its factorization.

84744346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284528.

The product of its digits is 258048, while the sum is 40.

The square root of 84744346 is about 9205.6692315116. The cubic root of 84744346 is about 439.2417139100.

The spelling of 84744346 in words is "eighty-four million, seven hundred forty-four thousand, three hundred forty-six".

Divisors: 1 2 149 298 284377 568754 42372173 84744346