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228401795 = 545680359
BaseRepresentation
bin11011001110100…
…10001010000011
3120220210000100202
431213102022003
5431432324140
634355235415
75442245306
oct1547221203
9526700322
10228401795
11107a21716
12645a8b6b
133841c9bb
1422496b3d
15150b9915
hexd9d2283

228401795 has 4 divisors (see below), whose sum is σ = 274082160. Its totient is φ = 182721432.

The previous prime is 228401791. The next prime is 228401801. The reversal of 228401795 is 597104822.

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 228401795 - 22 = 228401791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228401791) 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 3 ways as a sum of consecutive naturals, for example, 22840175 + ... + 22840184.

It is an arithmetic number, because the mean of its divisors is an integer number (68520540).

Almost surely, 2228401795 is an apocalyptic number.

228401795 is a deficient number, since it is larger than the sum of its proper divisors (45680365).

228401795 is an equidigital number, since it uses as much as digits as its factorization.

228401795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45680364.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 228401795 is about 15112.9677760525. The cubic root of 228401795 is about 611.2701252011.

The spelling of 228401795 in words is "two hundred twenty-eight million, four hundred one thousand, seven hundred ninety-five".

Divisors: 1 5 45680359 228401795