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28674253 is a prime number
BaseRepresentation
bin110110101100…
…0100011001101
31222221210200101
41231120203031
524320034003
62502331101
7465504256
oct155304315
958853611
1028674253
1115205433
129729a91
135c2c71a
143b45b2d
1527b611d
hex1b588cd

28674253 has 2 divisors, whose sum is σ = 28674254. Its totient is φ = 28674252.

The previous prime is 28674241. The next prime is 28674263. The reversal of 28674253 is 35247682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28281124 + 393129 = 5318^2 + 627^2 .

It is a cyclic number.

It is not a de Polignac number, because 28674253 - 25 = 28674221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28674263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14337126 + 14337127.

It is an arithmetic number, because the mean of its divisors is an integer number (14337127).

Almost surely, 228674253 is an apocalyptic number.

It is an amenable number.

28674253 is a deficient number, since it is larger than the sum of its proper divisors (1).

28674253 is an equidigital number, since it uses as much as digits as its factorization.

28674253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The square root of 28674253 is about 5354.8345445961. The cubic root of 28674253 is about 306.0770058378.

The spelling of 28674253 in words is "twenty-eight million, six hundred seventy-four thousand, two hundred fifty-three".