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140303141 = 1112754831
BaseRepresentation
bin10000101110011…
…01101100100101
3100210000010201122
420113031230211
5241404200031
621531103325
73322362026
oct1027155445
9323003648
10140303141
1172219910
123aba1b45
13230b5314
14148c2c4d
15c4b647b
hex85cdb25

140303141 has 4 divisors (see below), whose sum is σ = 153057984. Its totient is φ = 127548300.

The previous prime is 140303129. The next prime is 140303143. The reversal of 140303141 is 141303041.

140303141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141303041 = 1112845731.

It is a de Polignac number, because none of the positive numbers 2k-140303141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140303143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6377405 + ... + 6377426.

It is an arithmetic number, because the mean of its divisors is an integer number (38264496).

Almost surely, 2140303141 is an apocalyptic number.

140303141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140303141 is a deficient number, since it is larger than the sum of its proper divisors (12754843).

140303141 is a wasteful number, since it uses less digits than its factorization.

140303141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12754842.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 140303141 is about 11844.9626846183. The cubic root of 140303141 is about 519.6239156900.

Adding to 140303141 its reverse (141303041), we get a palindrome (281606182).

It can be divided in two parts, 14030 and 3141, that added together give a palindrome (17171).

The spelling of 140303141 in words is "one hundred forty million, three hundred three thousand, one hundred forty-one".

Divisors: 1 11 12754831 140303141