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28614227 = 61346679
BaseRepresentation
bin110110100100…
…1111001010011
31222211202100012
41231021321103
524311123402
62501145135
7465134255
oct155117123
958752305
1028614227
1115174324
1296bb1ab
135c0b2c5
143b2bcd5
1527a3452
hex1b49e53

28614227 has 4 divisors (see below), whose sum is σ = 28661520. Its totient is φ = 28566936.

The previous prime is 28614217. The next prime is 28614239. The reversal of 28614227 is 72241682.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28614227 - 214 = 28597843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28614193 and 28614202.

It is not an unprimeable number, because it can be changed into a prime (28614217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22727 + ... + 23952.

It is an arithmetic number, because the mean of its divisors is an integer number (7165380).

Almost surely, 228614227 is an apocalyptic number.

28614227 is a deficient number, since it is larger than the sum of its proper divisors (47293).

28614227 is an equidigital number, since it uses as much as digits as its factorization.

28614227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47292.

The product of its digits is 10752, while the sum is 32.

The square root of 28614227 is about 5349.2267665523. The cubic root of 28614227 is about 305.8632785204.

The spelling of 28614227 in words is "twenty-eight million, six hundred fourteen thousand, two hundred twenty-seven".

Divisors: 1 613 46679 28614227