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28914043 is a prime number
BaseRepresentation
bin110111001001…
…1000101111011
32000101222121111
41232103011323
524400222133
62511421151
7500523334
oct156230573
960358544
1028914043
1115359604
1298247b7
135cb4902
143ba928b
1528121cd
hex1b9317b

28914043 has 2 divisors, whose sum is σ = 28914044. Its totient is φ = 28914042.

The previous prime is 28914037. The next prime is 28914113. The reversal of 28914043 is 34041982.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28914043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28913996 and 28914014.

It is not a weakly prime, because it can be changed into another prime (28914343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14457021 + 14457022.

It is an arithmetic number, because the mean of its divisors is an integer number (14457022).

Almost surely, 228914043 is an apocalyptic number.

28914043 is a deficient number, since it is larger than the sum of its proper divisors (1).

28914043 is an equidigital number, since it uses as much as digits as its factorization.

28914043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 28914043 is about 5377.1779773409. The cubic root of 28914043 is about 306.9278337306.

The spelling of 28914043 in words is "twenty-eight million, nine hundred fourteen thousand, forty-three".