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141431 = 233607
BaseRepresentation
bin100010100001110111
321012000012
4202201313
514011211
63010435
71126223
oct424167
9235005
10141431
1197294
1269a1b
134c4b4
1439783
152bd8b
hex22877

141431 has 4 divisors (see below), whose sum is σ = 142272. Its totient is φ = 140592.

The previous prime is 141413. The next prime is 141439. The reversal of 141431 is 134141.

It is a happy number.

141431 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 brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 134141 = 719163.

It is a cyclic number.

It is not a de Polignac number, because 141431 - 210 = 140407 is a prime.

It is a super-2 number, since 2×1414312 = 40005455522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 141431.

It is not an unprimeable number, because it can be changed into a prime (141439) 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, 71 + ... + 536.

It is an arithmetic number, because the mean of its divisors is an integer number (35568).

2141431 is an apocalyptic number.

141431 is a deficient number, since it is larger than the sum of its proper divisors (841).

141431 is an equidigital number, since it uses as much as digits as its factorization.

141431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840.

The product of its digits is 48, while the sum is 14.

The square root of 141431 is about 376.0731311859. The cubic root of 141431 is about 52.1012573331.

Adding to 141431 its reverse (134141), we get a palindrome (275572).

It can be divided in two parts, 1414 and 31, that multiplied together give a palindrome (43834).

The spelling of 141431 in words is "one hundred forty-one thousand, four hundred thirty-one".

Divisors: 1 233 607 141431