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4287442 = 212371733
BaseRepresentation
bin10000010110101111010010
322001211021011
4100112233102
52044144232
6231521134
751304555
oct20265722
98054234
104287442
112469245
1215291aa
13b71663
147d869c
1559a547
hex416bd2

4287442 has 8 divisors (see below), whose sum is σ = 6440076. Its totient is φ = 2140752.

The previous prime is 4287431. The next prime is 4287457. The reversal of 4287442 is 2447824.

It can be written as a sum of positive squares in 2 ways, for example, as 4239481 + 47961 = 2059^2 + 219^2 .

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

It is an unprimeable number.

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, 1608 + ... + 3340.

Almost surely, 24287442 is an apocalyptic number.

4287442 is a deficient number, since it is larger than the sum of its proper divisors (2152634).

4287442 is a wasteful number, since it uses less digits than its factorization.

4287442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2972.

The product of its digits is 14336, while the sum is 31.

The square root of 4287442 is about 2070.6139186241. The cubic root of 4287442 is about 162.4548766231.

The spelling of 4287442 in words is "four million, two hundred eighty-seven thousand, four hundred forty-two".

Divisors: 1 2 1237 1733 2474 3466 2143721 4287442