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2730492 = 2232731039
BaseRepresentation
bin1010011010100111111100
312010201112100
422122213330
51144333432
6134305100
732131422
oct12324774
95121470
102730492
1115a5506
12ab8190
13747a9b
14511112
1538e07c
hex29a9fc

2730492 has 36 divisors (see below), whose sum is σ = 7003360. Its totient is φ = 896832.

The previous prime is 2730487. The next prime is 2730493. The reversal of 2730492 is 2940372.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730493) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2109 + ... + 3147.

22730492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2730492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3501680).

2730492 is an abundant number, since it is smaller than the sum of its proper divisors (4272868).

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

2730492 is a wasteful number, since it uses less digits than its factorization.

2730492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122 (or 1117 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2730492 is about 1652.4200434514. The cubic root of 2730492 is about 139.7698941109.

The spelling of 2730492 in words is "two million, seven hundred thirty thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 73 146 219 292 438 657 876 1039 1314 2078 2628 3117 4156 6234 9351 12468 18702 37404 75847 151694 227541 303388 455082 682623 910164 1365246 2730492