Search a number
-
+
228077783 is a prime number
BaseRepresentation
bin11011001100000…
…11000011010111
3120220011112220022
431212003003113
5431341442113
634344255355
75436425543
oct1546030327
9526145808
10228077783
1110782023a
126447155b
133833838b
1422410a23
1515053908
hexd9830d7

228077783 has 2 divisors, whose sum is σ = 228077784. Its totient is φ = 228077782.

The previous prime is 228077777. The next prime is 228077789. The reversal of 228077783 is 387770822.

228077783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (228077777) and next prime (228077789).

It is a cyclic number.

It is not a de Polignac number, because 228077783 - 28 = 228077527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228077789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114038891 + 114038892.

It is an arithmetic number, because the mean of its divisors is an integer number (114038892).

Almost surely, 2228077783 is an apocalyptic number.

228077783 is a deficient number, since it is larger than the sum of its proper divisors (1).

228077783 is an equidigital number, since it uses as much as digits as its factorization.

228077783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 263424, while the sum is 44.

The square root of 228077783 is about 15102.2443034140. The cubic root of 228077783 is about 610.9809380613.

The spelling of 228077783 in words is "two hundred twenty-eight million, seventy-seven thousand, seven hundred eighty-three".