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140311200 = 253521719181
BaseRepresentation
bin10000101110011…
…11101010100000
3100210000112210010
420113033222200
5241404424300
621531204520
73322424361
oct1027175240
9323015703
10140311200
1172224977
123aba6740
13230b8ba3
14148c5b68
15c4b8a50
hex85cfaa0

140311200 has 288 divisors, whose sum is σ = 511842240. Its totient is φ = 33177600.

The previous prime is 140311169. The next prime is 140311211. The reversal of 140311200 is 2113041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 775110 + ... + 775290.

It is an arithmetic number, because the mean of its divisors is an integer number (1777230).

Almost surely, 2140311200 is an apocalyptic number.

140311200 is a gapful number since it is divisible by the number (10) 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 140311200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255921120).

140311200 is an abundant number, since it is smaller than the sum of its proper divisors (371531040).

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

140311200 is a wasteful number, since it uses less digits than its factorization.

140311200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 140311200 is about 11845.3028665374. The cubic root of 140311200 is about 519.6338645501.

Adding to 140311200 its reverse (2113041), we get a palindrome (142424241).

The spelling of 140311200 in words is "one hundred forty million, three hundred eleven thousand, two hundred".