Search a number
-
+
141387 = 347129
BaseRepresentation
bin100010100001001011
321011221120
4202201023
514011022
63010323
71126131
oct424113
9234846
10141387
1197254
12699a3
134c47c
1439751
152bd5c
hex2284b

141387 has 4 divisors (see below), whose sum is σ = 188520. Its totient is φ = 94256.

The previous prime is 141371. The next prime is 141397. The reversal of 141387 is 783141.

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

It is a cyclic number.

It is not a de Polignac number, because 141387 - 24 = 141371 is a prime.

It is a D-number.

141387 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (141307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23562 + ... + 23567.

It is an arithmetic number, because the mean of its divisors is an integer number (47130).

2141387 is an apocalyptic number.

141387 is a deficient number, since it is larger than the sum of its proper divisors (47133).

141387 is an equidigital number, since it uses as much as digits as its factorization.

141387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47132.

The product of its digits is 672, while the sum is 24.

The square root of 141387 is about 376.0146273751. The cubic root of 141387 is about 52.0958537722.

Subtracting from 141387 its product of digits (672), we obtain a triangular number (140715 = T530).

It can be divided in two parts, 141 and 387, that added together give a triangular number (528 = T32).

The spelling of 141387 in words is "one hundred forty-one thousand, three hundred eighty-seven".

Divisors: 1 3 47129 141387