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2826890 = 251131829
BaseRepresentation
bin1010110010001010001010
312022121202122
422302022022
51210430030
6140331242
733012443
oct12621212
95277678
102826890
111660980
12b43b22
1377c921
145382ca
153ac8e5
hex2b228a

2826890 has 32 divisors (see below), whose sum is σ = 5736960. Its totient is φ = 993600.

The previous prime is 2826883. The next prime is 2826899. The reversal of 2826890 is 986282.

It is a self number, because there is not a number n which added to its sum of digits gives 2826890.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2826899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2996 + ... + 3824.

It is an arithmetic number, because the mean of its divisors is an integer number (179280).

22826890 is an apocalyptic number.

2826890 is an abundant number, since it is smaller than the sum of its proper divisors (2910070).

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

2826890 is a wasteful number, since it uses less digits than its factorization.

2826890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 2826890 is about 1681.3357784809. The cubic root of 2826890 is about 141.3957328493.

The spelling of 2826890 in words is "two million, eight hundred twenty-six thousand, eight hundred ninety".

Divisors: 1 2 5 10 11 22 31 55 62 110 155 310 341 682 829 1658 1705 3410 4145 8290 9119 18238 25699 45595 51398 91190 128495 256990 282689 565378 1413445 2826890