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2982890 = 25313953
BaseRepresentation
bin1011011000001111101010
312121112202102
423120033222
51230423030
6143533402
734232321
oct13301752
95545672
102982890
1117580a9
12bba262
13805931
145790b8
153ddc45
hex2d83ea

2982890 has 16 divisors (see below), whose sum is σ = 5392008. Its totient is φ = 1188096.

The previous prime is 2982887. The next prime is 2982899. The reversal of 2982890 is 982892.

It can be written as a sum of positive squares in 4 ways, for example, as 1274641 + 1708249 = 1129^2 + 1307^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2982899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2654 + ... + 3606.

22982890 is an apocalyptic number.

2982890 is a deficient number, since it is larger than the sum of its proper divisors (2409118).

2982890 is a wasteful number, since it uses less digits than its factorization.

2982890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 2982890 is about 1727.1045133402. The cubic root of 2982890 is about 143.9502464433.

The spelling of 2982890 in words is "two million, nine hundred eighty-two thousand, eight hundred ninety".

Divisors: 1 2 5 10 313 626 953 1565 1906 3130 4765 9530 298289 596578 1491445 2982890