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228074687 is a prime number
BaseRepresentation
bin11011001100000…
…10010010111111
3120220011101122122
431212002102333
5431341342222
634344233155
75436413531
oct1546022277
9526141578
10228074687
11107818985
126446b7bb
1338336b49
142240d851
1515052a42
hexd9824bf

228074687 has 2 divisors, whose sum is σ = 228074688. Its totient is φ = 228074686.

The previous prime is 228074683. The next prime is 228074701. The reversal of 228074687 is 786470822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228074687 - 22 = 228074683 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228074681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114037343 + 114037344.

It is an arithmetic number, because the mean of its divisors is an integer number (114037344).

Almost surely, 2228074687 is an apocalyptic number.

228074687 is a deficient number, since it is larger than the sum of its proper divisors (1).

228074687 is an equidigital number, since it uses as much as digits as its factorization.

228074687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 228074687 is about 15102.1418017445. The cubic root of 228074687 is about 610.9781734993.

It can be divided in two parts, 2280 and 74687, that added together give a palindrome (76967).

The spelling of 228074687 in words is "two hundred twenty-eight million, seventy-four thousand, six hundred eighty-seven".