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1056742 = 21927809
BaseRepresentation
bin100000001111111100110
31222200120121
410001333212
5232303432
634352154
711660611
oct4017746
91880517
101056742
11661a45
1242b65a
132accbb
141d7178
1515d197
hex101fe6

1056742 has 8 divisors (see below), whose sum is σ = 1668600. Its totient is φ = 500544.

The previous prime is 1056739. The next prime is 1056773. The reversal of 1056742 is 2476501.

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

It is a super-2 number, since 2×10567422 = 2233407309128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 13867 + ... + 13942.

It is an arithmetic number, because the mean of its divisors is an integer number (208575).

21056742 is an apocalyptic number.

1056742 is a deficient number, since it is larger than the sum of its proper divisors (611858).

1056742 is a wasteful number, since it uses less digits than its factorization.

1056742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27830.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1056742 is about 1027.9795717815. The cubic root of 1056742 is about 101.8567128152.

It can be divided in two parts, 10567 and 42, that added together give a square (10609 = 1032).

The spelling of 1056742 in words is "one million, fifty-six thousand, seven hundred forty-two".

Divisors: 1 2 19 38 27809 55618 528371 1056742