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4231897488 = 2438713443
BaseRepresentation
bin1111110000111101…
…1010000110010000
3101220221001200000000
43330033122012100
532131331204423
61535532130000
7206604351360
oct37417320620
911827050000
104231897488
111881883245
129a1306900
13525996570
142c207a9a0
1519b7d0843
hexfc3da190

4231897488 has 360 divisors, whose sum is σ = 15170570688. Its totient is φ = 1113585408.

The previous prime is 4231897487. The next prime is 4231897547. The reversal of 4231897488 is 8847981324.

It is a happy number.

4231897488 is a `hidden beast` number, since 42 + 31 + 8 + 97 + 488 = 666.

4231897488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (4231897487) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9552595 + ... + 9553037.

Almost surely, 24231897488 is an apocalyptic number.

4231897488 is a gapful number since it is divisible by the number (48) 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 4231897488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7585285344).

4231897488 is an abundant number, since it is smaller than the sum of its proper divisors (10938673200).

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

4231897488 is an equidigital number, since it uses as much as digits as its factorization.

4231897488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 468 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 4231897488 is about 65053.0359629741. The cubic root of 4231897488 is about 1617.5028193165.

The spelling of 4231897488 in words is "four billion, two hundred thirty-one million, eight hundred ninety-seven thousand, four hundred eighty-eight".