Search a number
-
+
228110429 = 415563669
BaseRepresentation
bin11011001100010…
…11000001011101
3120220020012200102
431212023001131
5431344013204
634345110445
75436622661
oct1546130135
9526205612
10228110429
11107842818
1264488425
133834a1b1
142241c8a1
151505d41e
hexd98b05d

228110429 has 4 divisors (see below), whose sum is σ = 233674140. Its totient is φ = 222546720.

The previous prime is 228110417. The next prime is 228110459. The reversal of 228110429 is 924011822.

228110429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 67404100 + 160706329 = 8210^2 + 12677^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-228110429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228110459) 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, 2781794 + ... + 2781875.

It is an arithmetic number, because the mean of its divisors is an integer number (58418535).

Almost surely, 2228110429 is an apocalyptic number.

It is an amenable number.

228110429 is a deficient number, since it is larger than the sum of its proper divisors (5563711).

228110429 is an equidigital number, since it uses as much as digits as its factorization.

228110429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5563710.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 228110429 is about 15103.3250974744. The cubic root of 228110429 is about 611.0100876667.

The spelling of 228110429 in words is "two hundred twenty-eight million, one hundred ten thousand, four hundred twenty-nine".

Divisors: 1 41 5563669 228110429