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1442992 = 2490187
BaseRepresentation
bin101100000010010110000
32201022102011
411200102300
5332133432
650532304
715156655
oct5402260
92638364
101442992
118a6161
12597094
133b6a55
14297c2c
151d7847
hex1604b0

1442992 has 10 divisors (see below), whose sum is σ = 2795828. Its totient is φ = 721488.

The previous prime is 1442989. The next prime is 1443007. The reversal of 1442992 is 2992441.

It is a happy number.

It is an unprimeable number.

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, 45078 + ... + 45109.

21442992 is an apocalyptic number.

It is an amenable number.

1442992 is a deficient number, since it is larger than the sum of its proper divisors (1352836).

1442992 is an equidigital number, since it uses as much as digits as its factorization.

1442992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90195 (or 90189 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 1442992 is about 1201.2460197645. The cubic root of 1442992 is about 113.0024799101.

It can be divided in two parts, 144 and 2992, that added together give a square (3136 = 562).

The spelling of 1442992 in words is "one million, four hundred forty-two thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 90187 180374 360748 721496 1442992