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28745363 is a prime number
BaseRepresentation
bin110110110100…
…1111010010011
32000002102020002
41231221322103
524324322423
62504040215
7466221503
oct155517223
960072202
1028745363
11152538a9
12976306b
135c55bba
143b63a03
1527cc228
hex1b69e93

28745363 has 2 divisors, whose sum is σ = 28745364. Its totient is φ = 28745362.

The previous prime is 28745357. The next prime is 28745389. The reversal of 28745363 is 36354782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28745363 - 28 = 28745107 is a prime.

It is not a weakly prime, because it can be changed into another prime (28745333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14372681 + 14372682.

It is an arithmetic number, because the mean of its divisors is an integer number (14372682).

Almost surely, 228745363 is an apocalyptic number.

28745363 is a deficient number, since it is larger than the sum of its proper divisors (1).

28745363 is an equidigital number, since it uses as much as digits as its factorization.

28745363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 38.

The square root of 28745363 is about 5361.4702274656. The cubic root of 28745363 is about 306.3298129893.

The spelling of 28745363 in words is "twenty-eight million, seven hundred forty-five thousand, three hundred sixty-three".