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228858659 is a prime number
BaseRepresentation
bin11011010010000…
…01101100100011
3120221122020001122
431221001230203
5432041434114
634413122455
75446160261
oct1551015443
9527566048
10228858659
11108203997
126478942b
133854c933
1422575431
1515159e8e
hexda41b23

228858659 has 2 divisors, whose sum is σ = 228858660. Its totient is φ = 228858658.

The previous prime is 228858613. The next prime is 228858677. The reversal of 228858659 is 956858822.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228858659 - 220 = 227810083 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 228858659.

It is not a weakly prime, because it can be changed into another prime (228851659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114429329 + 114429330.

It is an arithmetic number, because the mean of its divisors is an integer number (114429330).

Almost surely, 2228858659 is an apocalyptic number.

228858659 is a deficient number, since it is larger than the sum of its proper divisors (1).

228858659 is an equidigital number, since it uses as much as digits as its factorization.

228858659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2764800, while the sum is 53.

The square root of 228858659 is about 15128.0751915107. The cubic root of 228858659 is about 611.6774210637.

The spelling of 228858659 in words is "two hundred twenty-eight million, eight hundred fifty-eight thousand, six hundred fifty-nine".