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140301444 = 22311691787
BaseRepresentation
bin10000101110011…
…01010010000100
3100210000001101210
420113031102010
5241404121234
621531051420
73322354053
oct1027152204
9323001353
10140301444
1172218608
123aba0b70
13230b460a
14148c239a
15c4b5be9
hex85cd484

140301444 has 12 divisors (see below), whose sum is σ = 327370064. Its totient is φ = 46767144.

The previous prime is 140301431. The next prime is 140301451. The reversal of 140301444 is 444103041.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 140301444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5845882 + ... + 5845905.

Almost surely, 2140301444 is an apocalyptic number.

It is an amenable number.

140301444 is an abundant number, since it is smaller than the sum of its proper divisors (187068620).

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

140301444 is a wasteful number, since it uses less digits than its factorization.

140301444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11691794 (or 11691792 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 140301444 is about 11844.8910505753. The cubic root of 140301444 is about 519.6218206898.

Adding to 140301444 its reverse (444103041), we get a palindrome (584404485).

The spelling of 140301444 in words is "one hundred forty million, three hundred one thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 11691787 23383574 35075361 46767148 70150722 140301444