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1608228 = 223314891
BaseRepresentation
bin110001000101000100100
310000201002000
412020220210
5402430403
654245300
716445466
oct6105044
93021060
101608228
119a9316
12656830
1344401b
142dc136
1521b7a3
hex188a24

1608228 has 24 divisors (see below), whose sum is σ = 4169760. Its totient is φ = 536040.

The previous prime is 1608227. The next prime is 1608239. The reversal of 1608228 is 8228061.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1608227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7338 + ... + 7553.

It is an arithmetic number, because the mean of its divisors is an integer number (173740).

21608228 is an apocalyptic number.

1608228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1608228 is an abundant number, since it is smaller than the sum of its proper divisors (2561532).

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

1608228 is a wasteful number, since it uses less digits than its factorization.

1608228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14904 (or 14896 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 1608228 is about 1268.1592959877. The cubic root of 1608228 is about 117.1608569831.

It can be divided in two parts, 16082 and 28, that added together give a triangular number (16110 = T179).

The spelling of 1608228 in words is "one million, six hundred eight thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 14891 29782 44673 59564 89346 134019 178692 268038 402057 536076 804114 1608228