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4005897120 = 253452389151
BaseRepresentation
bin1110111011000101…
…0010001110100000
3101100011210122210000
43232301102032200
531201002201440
61501300140000
7201161364231
oct35661221640
911304718700
104005897120
111776251885
12939697600
134bac07934
142a004b088
15186a3c730
hexeec523a0

4005897120 has 480 divisors, whose sum is σ = 15016700160. Its totient is φ = 1003622400.

The previous prime is 4005897113. The next prime is 4005897127. The reversal of 4005897120 is 217985004.

4005897120 is a `hidden beast` number, since 4 + 0 + 0 + 589 + 71 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (4005897113) and next prime (4005897127).

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (4005897127) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 26529045 + ... + 26529195.

It is an arithmetic number, because the mean of its divisors is an integer number (31284792).

Almost surely, 24005897120 is an apocalyptic number.

4005897120 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 4005897120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7508350080).

4005897120 is an abundant number, since it is smaller than the sum of its proper divisors (11010803040).

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

4005897120 is a wasteful number, since it uses less digits than its factorization.

4005897120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 4005897120 is about 63292.1568600723. The cubic root of 4005897120 is about 1588.1807601319.

The spelling of 4005897120 in words is "four billion, five million, eight hundred ninety-seven thousand, one hundred twenty".