Search a number
-
+
228334537 is a prime number
BaseRepresentation
bin11011001110000…
…01101111001001
3120220122121002201
431213001233021
5431423201122
634354000201
75441545234
oct1547015711
9526577081
10228334537
11107986132
1264576061
13383c81c2
142247a41b
15150a4a27
hexd9c1bc9

228334537 has 2 divisors, whose sum is σ = 228334538. Its totient is φ = 228334536.

The previous prime is 228334523. The next prime is 228334541. The reversal of 228334537 is 735433822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210221001 + 18113536 = 14499^2 + 4256^2 .

It is a cyclic number.

It is not a de Polignac number, because 228334537 - 215 = 228301769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228334496 and 228334505.

It is not a weakly prime, because it can be changed into another prime (228334517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114167268 + 114167269.

It is an arithmetic number, because the mean of its divisors is an integer number (114167269).

Almost surely, 2228334537 is an apocalyptic number.

It is an amenable number.

228334537 is a deficient number, since it is larger than the sum of its proper divisors (1).

228334537 is an equidigital number, since it uses as much as digits as its factorization.

228334537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 37.

The square root of 228334537 is about 15110.7424370876. The cubic root of 228334537 is about 611.2101186058.

The spelling of 228334537 in words is "two hundred twenty-eight million, three hundred thirty-four thousand, five hundred thirty-seven".