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141443741 = 1091297649
BaseRepresentation
bin10000110111001…
…00001010011101
3100212011002100002
420123210022131
5242202144431
622011344045
73335152265
oct1033441235
9325132302
10141443741
117292885a
123b452025
13233c452a
1414adc7a5
15c63e3cb
hex86e429d

141443741 has 4 divisors (see below), whose sum is σ = 142741500. Its totient is φ = 140145984.

The previous prime is 141443671. The next prime is 141443749. The reversal of 141443741 is 147344141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54096025 + 87347716 = 7355^2 + 9346^2 .

It is a cyclic number.

It is not a de Polignac number, because 141443741 - 226 = 74334877 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 (141443749) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 648716 + ... + 648933.

It is an arithmetic number, because the mean of its divisors is an integer number (35685375).

Almost surely, 2141443741 is an apocalyptic number.

It is an amenable number.

141443741 is a deficient number, since it is larger than the sum of its proper divisors (1297759).

141443741 is a wasteful number, since it uses less digits than its factorization.

141443741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297758.

The product of its digits is 5376, while the sum is 29.

The square root of 141443741 is about 11893.0122761225. The cubic root of 141443741 is about 521.0282182321.

Adding to 141443741 its reverse (147344141), we get a palindrome (288787882).

The spelling of 141443741 in words is "one hundred forty-one million, four hundred forty-three thousand, seven hundred forty-one".

Divisors: 1 109 1297649 141443741