Search a number
-
+
2928647 is a prime number
BaseRepresentation
bin1011001011000000000111
312111210100102
423023000013
51222204042
6142434315
733615221
oct13130007
95453312
102928647
111720377
12b9299b
137b7037
14563411
153ccb32
hex2cb007

2928647 has 2 divisors, whose sum is σ = 2928648. Its totient is φ = 2928646.

The previous prime is 2928581. The next prime is 2928677. The reversal of 2928647 is 7468292.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2928647 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2928647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2928677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1464323 + 1464324.

It is an arithmetic number, because the mean of its divisors is an integer number (1464324).

22928647 is an apocalyptic number.

2928647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2928647 is an equidigital number, since it uses as much as digits as its factorization.

2928647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 2928647 is about 1711.3290157068. The cubic root of 2928647 is about 143.0723385776.

The spelling of 2928647 in words is "two million, nine hundred twenty-eight thousand, six hundred forty-seven".