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228106235 = 576517321
BaseRepresentation
bin11011001100010…
…01111111111011
3120220012222221002
431212021333323
5431343344420
634345035215
75436604520
oct1546117773
9526188832
10228106235
1110783a655
1264485b0b
1338348306
142241b147
151505c075
hexd989ffb

228106235 has 8 divisors (see below), whose sum is σ = 312831456. Its totient is φ = 156415680.

The previous prime is 228106231. The next prime is 228106237. The reversal of 228106235 is 532601822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228106235 - 22 = 228106231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228106198 and 228106207.

It is not an unprimeable number, because it can be changed into a prime (228106231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3258626 + ... + 3258695.

It is an arithmetic number, because the mean of its divisors is an integer number (39103932).

Almost surely, 2228106235 is an apocalyptic number.

228106235 is a deficient number, since it is larger than the sum of its proper divisors (84725221).

228106235 is an equidigital number, since it uses as much as digits as its factorization.

228106235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6517333.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 228106235 is about 15103.1862532381. The cubic root of 228106235 is about 611.0063430008.

The spelling of 228106235 in words is "two hundred twenty-eight million, one hundred six thousand, two hundred thirty-five".

Divisors: 1 5 7 35 6517321 32586605 45621247 228106235