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4747424720 = 245497311933
BaseRepresentation
bin1000110101111011…
…11111001111010000
3110020212010011102012
410122331333033100
534210320042340
62103025442052
7225434305253
oct43275771720
913225104365
104747424720
112016885505
12b05aa0328
135a8726c6c
1433071509a
151cbbb4565
hex11af7f3d0

4747424720 has 40 divisors (see below), whose sum is σ = 11040907176. Its totient is φ = 1898428928.

The previous prime is 4747424713. The next prime is 4747424741. The reversal of 4747424720 is 274247474.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1456796224 + 3290628496 = 38168^2 + 57364^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391874 + ... + 403806.

Almost surely, 24747424720 is an apocalyptic number.

4747424720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4747424720 is an abundant number, since it is smaller than the sum of its proper divisors (6293482456).

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

4747424720 is a wasteful number, since it uses less digits than its factorization.

4747424720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16919 (or 16913 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 41.

The square root of 4747424720 is about 68901.5581826710. The cubic root of 4747424720 is about 1680.6838580245.

The spelling of 4747424720 in words is "four billion, seven hundred forty-seven million, four hundred twenty-four thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 4973 9946 11933 19892 23866 24865 39784 47732 49730 59665 79568 95464 99460 119330 190928 198920 238660 397840 477320 954640 59342809 118685618 237371236 296714045 474742472 593428090 949484944 1186856180 2373712360 4747424720