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43290227 = 198397283
BaseRepresentation
bin1010010100100…
…0111001110011
310000110101000202
42211020321303
542040241402
64143505415
71033650401
oct245107163
9100411022
1043290227
1122488652
12125b826b
138c79326
145a6c471
153c01b02
hex2948e73

43290227 has 16 divisors (see below), whose sum is σ = 46757760. Its totient is φ = 39958272.

The previous prime is 43290217. The next prime is 43290263. The reversal of 43290227 is 72209234.

It is a happy number.

43290227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 43290227 - 28 = 43289971 is a prime.

It is a super-3 number, since 3×432902273 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43290227.

It is not an unprimeable number, because it can be changed into a prime (43290217) 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 in 15 ways as a sum of consecutive naturals, for example, 152828 + ... + 153110.

It is an arithmetic number, because the mean of its divisors is an integer number (2922360).

Almost surely, 243290227 is an apocalyptic number.

43290227 is a deficient number, since it is larger than the sum of its proper divisors (3467533).

43290227 is a wasteful number, since it uses less digits than its factorization.

43290227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 43290227 is about 6579.5309103309. The cubic root of 43290227 is about 351.1262414440.

The spelling of 43290227 in words is "forty-three million, two hundred ninety thousand, two hundred twenty-seven".

Divisors: 1 19 83 97 283 1577 1843 5377 8051 23489 27451 152969 446291 521569 2278433 43290227