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28940627 is a prime number
BaseRepresentation
bin110111001100…
…1100101010011
32000110100002002
41232121211103
524402100002
62512144215
7500664002
oct156314523
960410062
1028940627
1115377581
12983806b
135cc3a41
143bb4c39
15281a002
hex1b99953

28940627 has 2 divisors, whose sum is σ = 28940628. Its totient is φ = 28940626.

The previous prime is 28940609. The next prime is 28940663. The reversal of 28940627 is 72604982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28940627 - 214 = 28924243 is a prime.

It is not a weakly prime, because it can be changed into another prime (28940687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14470313 + 14470314.

It is an arithmetic number, because the mean of its divisors is an integer number (14470314).

Almost surely, 228940627 is an apocalyptic number.

28940627 is a deficient number, since it is larger than the sum of its proper divisors (1).

28940627 is an equidigital number, since it uses as much as digits as its factorization.

28940627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 28940627 is about 5379.6493380145. The cubic root of 28940627 is about 307.0218695848.

The spelling of 28940627 in words is "twenty-eight million, nine hundred forty thousand, six hundred twenty-seven".