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1026442 = 21992579
BaseRepresentation
bin11111010100110001010
31221011000101
43322212022
5230321232
634000014
711503354
oct3724612
91834011
101026442
116411aa
1241600a
1329c281
141ca0d4
151541e7
hexfa98a

1026442 has 8 divisors (see below), whose sum is σ = 1548000. Its totient is φ = 510444.

The previous prime is 1026439. The next prime is 1026449. The reversal of 1026442 is 2446201.

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

It is not an unprimeable number, because it can be changed into a prime (1026449) 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, 892 + ... + 1687.

It is an arithmetic number, because the mean of its divisors is an integer number (193500).

21026442 is an apocalyptic number.

1026442 is a deficient number, since it is larger than the sum of its proper divisors (521558).

1026442 is a wasteful number, since it uses less digits than its factorization.

1026442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1026442 is about 1013.1347393116. The cubic root of 1026442 is about 100.8737434885.

The spelling of 1026442 in words is "one million, twenty-six thousand, four hundred forty-two".

Divisors: 1 2 199 398 2579 5158 513221 1026442