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1442086 = 2721043
BaseRepresentation
bin101100000000100100110
32201021011121
411200010212
5332121321
650524154
715154222
oct5400446
92637147
101442086
118a5508
1259665a
133b6509
14297782
151d7441
hex160126

1442086 has 4 divisors (see below), whose sum is σ = 2163132. Its totient is φ = 721042.

The previous prime is 1442071. The next prime is 1442087. The reversal of 1442086 is 6802441.

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

It is a super-2 number, since 2×14420862 = 4159224062792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1442086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360520 + ... + 360523.

It is an arithmetic number, because the mean of its divisors is an integer number (540783).

21442086 is an apocalyptic number.

1442086 is a deficient number, since it is larger than the sum of its proper divisors (721046).

1442086 is an equidigital number, since it uses as much as digits as its factorization.

1442086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721045.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1442086 is about 1200.8688521233. The cubic root of 1442086 is about 112.9788249669.

The spelling of 1442086 in words is "one million, four hundred forty-two thousand, eighty-six".

Divisors: 1 2 721043 1442086