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4247040000 = 212354779
BaseRepresentation
bin1111110100100100…
…1011000000000000
3101221222112222121210
43331021023000000
532144220240000
61541232450120
7210150146550
oct37511130000
911858488553
104247040000
11188a386015
129a63a9940
13528b68a28
142c409d160
1519ccc2350
hexfd24b000

4247040000 has 520 divisors, whose sum is σ = 16376757760. Its totient is φ = 958464000.

The previous prime is 4247039963. The next prime is 4247040013. The reversal of 4247040000 is 407424.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 53759961 + ... + 53760039.

Almost surely, 24247040000 is an apocalyptic number.

4247040000 is a gapful number since it is divisible by the number (40) 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 4247040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8188378880).

4247040000 is an abundant number, since it is smaller than the sum of its proper divisors (12129717760).

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

4247040000 is an frugal number, since it uses more digits than its factorization.

4247040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 4247040000 is about 65169.3179341322. The cubic root of 4247040000 is about 1619.4297642464.

Adding to 4247040000 its reverse (407424), we get a palindrome (4247447424).

The spelling of 4247040000 in words is "four billion, two hundred forty-seven million, forty thousand".