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140143411 = 1928126249
BaseRepresentation
bin10000101101001…
…10101100110011
3100202201000121201
420112212230303
5241334042121
621523432031
73321125242
oct1026465463
9322630551
10140143411
117211a901
123ab25617
132305a6c5
1414880959
15c483e91
hex85a6b33

140143411 has 8 divisors (see below), whose sum is σ = 148050000. Its totient is φ = 132289920.

The previous prime is 140143403. The next prime is 140143463. The reversal of 140143411 is 114341041.

140143411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140143411 - 23 = 140143403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140143111) 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, 7786 + ... + 18463.

It is an arithmetic number, because the mean of its divisors is an integer number (18506250).

Almost surely, 2140143411 is an apocalyptic number.

140143411 is a deficient number, since it is larger than the sum of its proper divisors (7906589).

140143411 is a wasteful number, since it uses less digits than its factorization.

140143411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26549.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 140143411 is about 11838.2182358664. The cubic root of 140143411 is about 519.4266498633.

Adding to 140143411 its reverse (114341041), we get a palindrome (254484452).

The spelling of 140143411 in words is "one hundred forty million, one hundred forty-three thousand, four hundred eleven".

Divisors: 1 19 281 5339 26249 498731 7375969 140143411