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1042742 = 24711093
BaseRepresentation
bin11111110100100110110
31221222101002
43332210312
5231331432
634203302
711602031
oct3764466
91858332
101042742
11652478
12423532
132a680c
141d2018
15158e62
hexfe936

1042742 has 8 divisors (see below), whose sum is σ = 1597536. Its totient is φ = 510232.

The previous prime is 1042733. The next prime is 1042759. The reversal of 1042742 is 2472401.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5453 + ... + 5640.

It is an arithmetic number, because the mean of its divisors is an integer number (199692).

21042742 is an apocalyptic number.

1042742 is a deficient number, since it is larger than the sum of its proper divisors (554794).

1042742 is a wasteful number, since it uses less digits than its factorization.

1042742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11142.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 1042742 is about 1021.1473938663. The cubic root of 1042742 is about 101.4049033675.

The spelling of 1042742 in words is "one million, forty-two thousand, seven hundred forty-two".

Divisors: 1 2 47 94 11093 22186 521371 1042742