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4287422 = 22143711
BaseRepresentation
bin10000010110101110111110
322001211020102
4100112232332
52044144142
6231521102
751304526
oct20265676
98054212
104287422
112469227
121529192
13b71649
147d8686
1559a532
hex416bbe

4287422 has 4 divisors (see below), whose sum is σ = 6431136. Its totient is φ = 2143710.

The previous prime is 4287419. The next prime is 4287427. The reversal of 4287422 is 2247824.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4287427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071854 + ... + 1071857.

It is an arithmetic number, because the mean of its divisors is an integer number (1607784).

Almost surely, 24287422 is an apocalyptic number.

4287422 is a deficient number, since it is larger than the sum of its proper divisors (2143714).

4287422 is a wasteful number, since it uses less digits than its factorization.

4287422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143713.

The product of its digits is 7168, while the sum is 29.

The square root of 4287422 is about 2070.6090891330. The cubic root of 4287422 is about 162.4546240169.

The spelling of 4287422 in words is "four million, two hundred eighty-seven thousand, four hundred twenty-two".

Divisors: 1 2 2143711 4287422