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4228988544 = 2732111767293
BaseRepresentation
bin1111110000010001…
…0011111010000000
3101220201120212200100
43330010103322000
532130110113134
61535345522400
7206540544444
oct37404237200
911821525610
104228988544
111880176760
129a0343400
135251b84b1
142c1920824
1519b408999
hexfc113e80

4228988544 has 384 divisors, whose sum is σ = 14315071680. Its totient is φ = 1184071680.

The previous prime is 4228988537. The next prime is 4228988557. The reversal of 4228988544 is 4458898224.

4228988544 is a `hidden beast` number, since 4 + 2 + 2 + 8 + 98 + 8 + 544 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14433262 + ... + 14433554.

Almost surely, 24228988544 is an apocalyptic number.

4228988544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4228988544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7157535840).

4228988544 is an abundant number, since it is smaller than the sum of its proper divisors (10086083136).

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

4228988544 is a wasteful number, since it uses less digits than its factorization.

4228988544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 393 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 54.

The square root of 4228988544 is about 65030.6738701053. The cubic root of 4228988544 is about 1617.1321184944.

The spelling of 4228988544 in words is "four billion, two hundred twenty-eight million, nine hundred eighty-eight thousand, five hundred forty-four".