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28453027 is a prime number
BaseRepresentation
bin110110010001…
…0100010100011
31222112120012211
41230202202203
524240444102
62453502551
7463563301
oct154424243
958476184
1028453027
11150741a9
129641a57
135b82b15
143ac9271
1527707d7
hex1b228a3

28453027 has 2 divisors, whose sum is σ = 28453028. Its totient is φ = 28453026.

The previous prime is 28453003. The next prime is 28453043. The reversal of 28453027 is 72035482.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28453027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28453027.

It is not a weakly prime, because it can be changed into another prime (28453927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14226513 + 14226514.

It is an arithmetic number, because the mean of its divisors is an integer number (14226514).

Almost surely, 228453027 is an apocalyptic number.

28453027 is a deficient number, since it is larger than the sum of its proper divisors (1).

28453027 is an equidigital number, since it uses as much as digits as its factorization.

28453027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 28453027 is about 5334.1378872316. The cubic root of 28453027 is about 305.2878300526.

The spelling of 28453027 in words is "twenty-eight million, four hundred fifty-three thousand, twenty-seven".