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4187228 = 221046807
BaseRepresentation
bin1111111110010001011100
321212201210112
433332101130
52032442403
6225425152
750406443
oct17762134
97781715
104187228
1123aaa21
12149b1b8
13b37b66
147add5a
1557a9d8
hex3fe45c

4187228 has 6 divisors (see below), whose sum is σ = 7327656. Its totient is φ = 2093612.

The previous prime is 4187213. The next prime is 4187233. The reversal of 4187228 is 8227814.

It is a junction number, because it is equal to n+sod(n) for n = 4187194 and 4187203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523400 + ... + 523407.

It is an arithmetic number, because the mean of its divisors is an integer number (1221276).

Almost surely, 24187228 is an apocalyptic number.

It is an amenable number.

4187228 is a deficient number, since it is larger than the sum of its proper divisors (3140428).

4187228 is a wasteful number, since it uses less digits than its factorization.

4187228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046811 (or 1046809 counting only the distinct ones).

The product of its digits is 7168, while the sum is 32.

The square root of 4187228 is about 2046.2717317111. The cubic root of 4187228 is about 161.1791532212.

The spelling of 4187228 in words is "four million, one hundred eighty-seven thousand, two hundred twenty-eight".

Divisors: 1 2 4 1046807 2093614 4187228