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1409742 = 232172271
BaseRepresentation
bin101011000001011001110
32122121210200
411120023032
5330102432
650114330
714661015
oct5301316
92577720
101409742
11883184
1257b9a6
133a4889
14289a7c
151cca7c
hex1582ce

1409742 has 36 divisors (see below), whose sum is σ = 3256656. Its totient is φ = 440640.

The previous prime is 1409741. The next prime is 1409753. The reversal of 1409742 is 2479041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409741) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5067 + ... + 5337.

21409742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1409742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1628328).

1409742 is an abundant number, since it is smaller than the sum of its proper divisors (1846914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1409742 is a wasteful number, since it uses less digits than its factorization.

1409742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1409742 is about 1187.3255661359. The cubic root of 1409742 is about 112.1277772119.

The spelling of 1409742 in words is "one million, four hundred nine thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 271 289 306 542 578 813 867 1626 1734 2439 2601 4607 4878 5202 9214 13821 27642 41463 78319 82926 156638 234957 469914 704871 1409742