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228099075 = 3523041321
BaseRepresentation
bin11011001100010…
…00010000000011
3120220012122002220
431212020100003
5431343132300
634344542123
75436544611
oct1546102003
9526178086
10228099075
11107835236
1264481943
1338344c89
14224186b1
1515059da0
hexd988403

228099075 has 12 divisors (see below), whose sum is σ = 377123928. Its totient is φ = 121652800.

The previous prime is 228099059. The next prime is 228099077. The reversal of 228099075 is 570990822.

It is not a de Polignac number, because 228099075 - 24 = 228099059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228099077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1520586 + ... + 1520735.

It is an arithmetic number, because the mean of its divisors is an integer number (31426994).

Almost surely, 2228099075 is an apocalyptic number.

228099075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228099075 is a deficient number, since it is larger than the sum of its proper divisors (149024853).

228099075 is a wasteful number, since it uses less digits than its factorization.

228099075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3041334 (or 3041329 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 228099075 is about 15102.9492153023. The cubic root of 228099075 is about 610.9999499983. Note that the first 4 decimals are identical.

The spelling of 228099075 in words is "two hundred twenty-eight million, ninety-nine thousand, seventy-five".

Divisors: 1 3 5 15 25 75 3041321 9123963 15206605 45619815 76033025 228099075