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1768228 = 227115741
BaseRepresentation
bin110101111101100100100
310022211112221
412233230210
5423040403
6101522124
721013120
oct6575444
93284487
101768228
11aa8550
12713344
1349bab7
14340580
1524ddbd
hex1afb24

1768228 has 24 divisors (see below), whose sum is σ = 3858624. Its totient is φ = 688800.

The previous prime is 1768223. The next prime is 1768229. The reversal of 1768228 is 8228671.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 1768193 and 1768202.

It is not an unprimeable number, because it can be changed into a prime (1768223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2563 + ... + 3178.

It is an arithmetic number, because the mean of its divisors is an integer number (160776).

21768228 is an apocalyptic number.

It is an amenable number.

1768228 is an abundant number, since it is smaller than the sum of its proper divisors (2090396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1768228 is a wasteful number, since it uses less digits than its factorization.

1768228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5763 (or 5761 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 1768228 is about 1329.7473444230. The cubic root of 1768228 is about 120.9240695669.

The spelling of 1768228 in words is "one million, seven hundred sixty-eight thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 5741 11482 22964 40187 63151 80374 126302 160748 252604 442057 884114 1768228