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1442073 = 3557863
BaseRepresentation
bin101100000000100011001
32201021011010
411200010121
5332121243
650524133
715154203
oct5400431
92637133
101442073
118a54a6
12596649
133b64c9
14297773
151d7433
hex160119

1442073 has 8 divisors (see below), whose sum is σ = 1928448. Its totient is φ = 958544.

The previous prime is 1442071. The next prime is 1442087. The reversal of 1442073 is 3702441.

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

It is a cyclic number.

It is not a de Polignac number, because 1442073 - 21 = 1442071 is a prime.

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 in 7 ways as a sum of consecutive naturals, for example, 1240 + ... + 2102.

It is an arithmetic number, because the mean of its divisors is an integer number (241056).

21442073 is an apocalyptic number.

It is an amenable number.

1442073 is a deficient number, since it is larger than the sum of its proper divisors (486375).

1442073 is an equidigital number, since it uses as much as digits as its factorization.

1442073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 1442073 is about 1200.8634393635. The cubic root of 1442073 is about 112.9784854751.

The spelling of 1442073 in words is "one million, four hundred forty-two thousand, seventy-three".

Divisors: 1 3 557 863 1671 2589 480691 1442073