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7420523228 = 226472867281
BaseRepresentation
bin1101110100100110…
…00011001011011100
3201011011000122012122
412322103003023130
5110144123220403
63224155322112
7351613256336
oct67223031334
921134018178
107420523228
113168767a28
121531150338
13913481b61
14505744456
152d66d3838
hex1ba4c32dc

7420523228 has 12 divisors (see below), whose sum is σ = 13005991152. Its totient is φ = 3704525760.

The previous prime is 7420523221. The next prime is 7420523233. The reversal of 7420523228 is 8223250247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420523221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1431053 + ... + 1436228.

It is an arithmetic number, because the mean of its divisors is an integer number (1083832596).

Almost surely, 27420523228 is an apocalyptic number.

It is an amenable number.

7420523228 is a deficient number, since it is larger than the sum of its proper divisors (5585467924).

7420523228 is a wasteful number, since it uses less digits than its factorization.

7420523228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867932 (or 2867930 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 7420523228 is about 86142.4589154501. The cubic root of 7420523228 is about 1950.4950071831.

The spelling of 7420523228 in words is "seven billion, four hundred twenty million, five hundred twenty-three thousand, two hundred twenty-eight".

Divisors: 1 2 4 647 1294 2588 2867281 5734562 11469124 1855130807 3710261614 7420523228