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228104879 is a prime number
BaseRepresentation
bin11011001100010…
…01101010101111
3120220012221001212
431212021222233
5431343324004
634345025035
75436600542
oct1546115257
9526187055
10228104879
11107839632
126448517b
1338347802
142241a859
151505b96e
hexd989aaf

228104879 has 2 divisors, whose sum is σ = 228104880. Its totient is φ = 228104878.

The previous prime is 228104843. The next prime is 228104887. The reversal of 228104879 is 978401822.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-228104879 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228104819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114052439 + 114052440.

It is an arithmetic number, because the mean of its divisors is an integer number (114052440).

Almost surely, 2228104879 is an apocalyptic number.

228104879 is a deficient number, since it is larger than the sum of its proper divisors (1).

228104879 is an equidigital number, since it uses as much as digits as its factorization.

228104879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 228104879 is about 15103.1413619816. The cubic root of 228104879 is about 611.0051322693.

The spelling of 228104879 in words is "two hundred twenty-eight million, one hundred four thousand, eight hundred seventy-nine".