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2890026 = 233109491
BaseRepresentation
bin1011000001100100101010
312102211101000
423001210222
51214440101
6141535430
733364506
oct13014452
95384330
102890026
1116a4357
12b74576
137a2599
14553306
153c1486
hex2c192a

2890026 has 32 divisors (see below), whose sum is σ = 6494400. Its totient is φ = 952560.

The previous prime is 2890003. The next prime is 2890031. The reversal of 2890026 is 6200982.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5641 + ... + 6131.

It is an arithmetic number, because the mean of its divisors is an integer number (202950).

22890026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2890026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3247200).

2890026 is an abundant number, since it is smaller than the sum of its proper divisors (3604374).

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

2890026 is a wasteful number, since it uses less digits than its factorization.

2890026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2890026 is about 1700.0076470416. The cubic root of 2890026 is about 142.4406400964.

The spelling of 2890026 in words is "two million, eight hundred ninety thousand, twenty-six".

Divisors: 1 2 3 6 9 18 27 54 109 218 327 491 654 981 982 1473 1962 2943 2946 4419 5886 8838 13257 26514 53519 107038 160557 321114 481671 963342 1445013 2890026