Search a number
-
+
2890871 is a prime number
BaseRepresentation
bin1011000001110001110111
312102212112022
423001301313
51220001441
6141543355
733400124
oct13016167
95385468
102890871
1116a4a55
12b74b5b
137a2a99
1455374b
153c184b
hex2c1c77

2890871 has 2 divisors, whose sum is σ = 2890872. Its totient is φ = 2890870.

The previous prime is 2890861. The next prime is 2890883. The reversal of 2890871 is 1780982.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2890871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2890861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1445435 + 1445436.

It is an arithmetic number, because the mean of its divisors is an integer number (1445436).

22890871 is an apocalyptic number.

2890871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2890871 is an equidigital number, since it uses as much as digits as its factorization.

2890871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 2890871 is about 1700.2561571716. The cubic root of 2890871 is about 142.4545212416.

The spelling of 2890871 in words is "two million, eight hundred ninety thousand, eight hundred seventy-one".