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1442074 = 2721037
BaseRepresentation
bin101100000000100011010
32201021011011
411200010122
5332121244
650524134
715154204
oct5400432
92637134
101442074
118a54a7
1259664a
133b64ca
14297774
151d7434
hex16011a

1442074 has 4 divisors (see below), whose sum is σ = 2163114. Its totient is φ = 721036.

The previous prime is 1442071. The next prime is 1442087. The reversal of 1442074 is 4702441.

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

It can be written as a sum of positive squares in only one way, i.e., 1199025 + 243049 = 1095^2 + 493^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1442071) 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, 360517 + ... + 360520.

21442074 is an apocalyptic number.

1442074 is a deficient number, since it is larger than the sum of its proper divisors (721040).

1442074 is an equidigital number, since it uses as much as digits as its factorization.

1442074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721039.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 1442074 is about 1200.8638557305. The cubic root of 1442074 is about 112.9785115899.

The spelling of 1442074 in words is "one million, four hundred forty-two thousand, seventy-four".

Divisors: 1 2 721037 1442074