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2890423 is a prime number
BaseRepresentation
bin1011000001101010110111
312102211220201
423001222313
51214443143
6141541331
733365614
oct13015267
95384821
102890423
1116a4688
12b74847
137a2813
1455350b
153c164d
hex2c1ab7

2890423 has 2 divisors, whose sum is σ = 2890424. Its totient is φ = 2890422.

The previous prime is 2890421. The next prime is 2890429. The reversal of 2890423 is 3240982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2890423 - 21 = 2890421 is a prime.

Together with 2890421, it forms a pair of twin primes.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2890391 and 2890400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2890421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1445211 + 1445212.

It is an arithmetic number, because the mean of its divisors is an integer number (1445212).

22890423 is an apocalyptic number.

2890423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2890423 is an equidigital number, since it uses as much as digits as its factorization.

2890423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2890423 is about 1700.1244072126. The cubic root of 2890423 is about 142.4471621075.

The spelling of 2890423 in words is "two million, eight hundred ninety thousand, four hundred twenty-three".