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140332444 = 2275984947
BaseRepresentation
bin10000101110101…
…00110110011100
3100210001121220221
420113110312130
5241411114234
621531451124
73322543330
oct1027246634
9323047827
10140332444
117223992a
123abb6aa4
13230c5765
14148cd7c0
15c4beeb4
hex85d4d9c

140332444 has 24 divisors (see below), whose sum is σ = 285425280. Its totient is φ = 59122416.

The previous prime is 140332429. The next prime is 140332447. The reversal of 140332444 is 444233041.

140332444 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140332447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40822 + ... + 44125.

It is an arithmetic number, because the mean of its divisors is an integer number (11892720).

Almost surely, 2140332444 is an apocalyptic number.

140332444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140332444 is an abundant number, since it is smaller than the sum of its proper divisors (145092836).

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

140332444 is a wasteful number, since it uses less digits than its factorization.

140332444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85017 (or 85015 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 140332444 is about 11846.1995593524. The cubic root of 140332444 is about 519.6600885073.

Adding to 140332444 its reverse (444233041), we get a palindrome (584565485).

The spelling of 140332444 in words is "one hundred forty million, three hundred thirty-two thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 59 118 236 413 826 1652 84947 169894 339788 594629 1189258 2378516 5011873 10023746 20047492 35083111 70166222 140332444