Search a number
-
+
141389389 = 523270343
BaseRepresentation
bin10000110110101…
…10111001001101
3100212001022210001
420123112321031
5242143430024
622010244301
73334534651
oct1033267115
9325038701
10141389389
11728a0a39
123b426691
13233a587b
1414ac6a61
15c62d244
hex86d6e4d

141389389 has 4 divisors (see below), whose sum is σ = 141660256. Its totient is φ = 141118524.

The previous prime is 141389371. The next prime is 141389401. The reversal of 141389389 is 983983141.

It is a happy number.

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: 983983141 = 2800135141.

It is a cyclic number.

It is not a de Polignac number, because 141389389 - 217 = 141258317 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 (141389309) 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, 134649 + ... + 135694.

It is an arithmetic number, because the mean of its divisors is an integer number (35415064).

Almost surely, 2141389389 is an apocalyptic number.

It is an amenable number.

141389389 is a deficient number, since it is larger than the sum of its proper divisors (270867).

141389389 is an equidigital number, since it uses as much as digits as its factorization.

141389389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270866.

The product of its digits is 186624, while the sum is 46.

The square root of 141389389 is about 11890.7270173022. The cubic root of 141389389 is about 520.9614718974.

It can be divided in two parts, 141389 and 389, that added together give a triangular number (141778 = T532).

The spelling of 141389389 in words is "one hundred forty-one million, three hundred eighty-nine thousand, three hundred eighty-nine".

Divisors: 1 523 270343 141389389