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1896228 = 223252673
BaseRepresentation
bin111001110111100100100
310120100010200
413032330210
5441134403
6104350500
722055235
oct7167444
93510120
101896228
111085734
12775430
13515139
1437508c
15276ca3
hex1cef24

1896228 has 18 divisors (see below), whose sum is σ = 4793334. Its totient is φ = 632064.

The previous prime is 1896227. The next prime is 1896229. The reversal of 1896228 is 8226981.

It is an interprime number because it is at equal distance from previous prime (1896227) and next prime (1896229).

It can be written as a sum of positive squares in only one way, i.e., 1557504 + 338724 = 1248^2 + 582^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 52673 = 1896228 / (1 + 8 + 9 + 6 + 2 + 2 + 8).

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 1896192 and 1896201.

It is not an unprimeable number, because it can be changed into a prime (1896221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26301 + ... + 26372.

21896228 is an apocalyptic number.

1896228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1896228 is an abundant number, since it is smaller than the sum of its proper divisors (2897106).

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

1896228 is a wasteful number, since it uses less digits than its factorization.

1896228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52683 (or 52678 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 1896228 is about 1377.0359472432. The cubic root of 1896228 is about 123.7742162587.

The spelling of 1896228 in words is "one million, eight hundred ninety-six thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 52673 105346 158019 210692 316038 474057 632076 948114 1896228