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2883890 = 25288389
BaseRepresentation
bin1011000000000100110010
312102111221202
423000010302
51214241030
6141451202
733340562
oct13000462
95374852
102883890
11169a789
12b70b02
1379c859
14550da2
153be745
hex2c0132

2883890 has 8 divisors (see below), whose sum is σ = 5191020. Its totient is φ = 1153552.

The previous prime is 2883887. The next prime is 2883893. The reversal of 2883890 is 983882.

It is an interprime number because it is at equal distance from previous prime (2883887) and next prime (2883893).

It can be written as a sum of positive squares in 2 ways, for example, as 2660161 + 223729 = 1631^2 + 473^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2883893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144185 + ... + 144204.

22883890 is an apocalyptic number.

2883890 is a deficient number, since it is larger than the sum of its proper divisors (2307130).

2883890 is a wasteful number, since it uses less digits than its factorization.

2883890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288396.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 2883890 is about 1698.2019903415. The cubic root of 2883890 is about 142.3397603744.

It can be divided in two parts, 2883 and 890, that added together give a palindrome (3773).

The spelling of 2883890 in words is "two million, eight hundred eighty-three thousand, eight hundred ninety".

Divisors: 1 2 5 10 288389 576778 1441945 2883890