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2873231 is a prime number
BaseRepresentation
bin1010111101011110001111
312101222022222
422331132033
51213420411
6141325555
733264524
oct12753617
95358288
102873231
111692779
12b668bb
13797a4a
1454b14b
153bb4db
hex2bd78f

2873231 has 2 divisors, whose sum is σ = 2873232. Its totient is φ = 2873230.

The previous prime is 2873209. The next prime is 2873249. The reversal of 2873231 is 1323782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2873231 - 218 = 2611087 is a prime.

It is a super-2 number, since 2×28732312 = 16510912758722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2873231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2873261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1436615 + 1436616.

It is an arithmetic number, because the mean of its divisors is an integer number (1436616).

22873231 is an apocalyptic number.

2873231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2873231 is an equidigital number, since it uses as much as digits as its factorization.

2873231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 26.

The square root of 2873231 is about 1695.0607658724. The cubic root of 2873231 is about 142.1641789470.

The spelling of 2873231 in words is "two million, eight hundred seventy-three thousand, two hundred thirty-one".