Search a number
-
+
2286457 is a prime number
BaseRepresentation
bin1000101110001101111001
311022011102121
420232031321
51041131312
6121001241
725302025
oct10561571
94264377
102286457
111321938
12923221
13620944
14437385
15302707
hex22e379

2286457 has 2 divisors, whose sum is σ = 2286458. Its totient is φ = 2286456.

The previous prime is 2286443. The next prime is 2286469. The reversal of 2286457 is 7546822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1679616 + 606841 = 1296^2 + 779^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2286457 is a prime.

It is a super-2 number, since 2×22864572 = 10455771225698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2286437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1143228 + 1143229.

It is an arithmetic number, because the mean of its divisors is an integer number (1143229).

22286457 is an apocalyptic number.

It is an amenable number.

2286457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2286457 is an equidigital number, since it uses as much as digits as its factorization.

2286457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 34.

The square root of 2286457 is about 1512.1035017485. The cubic root of 2286457 is about 131.7410173103.

The spelling of 2286457 in words is "two million, two hundred eighty-six thousand, four hundred fifty-seven".