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141381 = 3223683
BaseRepresentation
bin100010100001000101
321011221100
4202201011
514011011
63010313
71126122
oct424105
9234840
10141381
1197249
1269999
134c476
1439749
152bd56
hex22845

141381 has 12 divisors (see below), whose sum is σ = 213408. Its totient is φ = 90024.

The previous prime is 141371. The next prime is 141397. The reversal of 141381 is 183141.

It is not a de Polignac number, because 141381 - 29 = 140869 is a prime.

It is a super-2 number, since 2×1413812 = 39977174322, which contains 22 as substring.

It is an Ulam number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135 + ... + 548.

It is an arithmetic number, because the mean of its divisors is an integer number (17784).

2141381 is an apocalyptic number.

It is an amenable number.

141381 is a deficient number, since it is larger than the sum of its proper divisors (72027).

141381 is a wasteful number, since it uses less digits than its factorization.

141381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712 (or 709 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 141381 is about 376.0066488774. The cubic root of 141381 is about 52.0951168361.

The spelling of 141381 in words is "one hundred forty-one thousand, three hundred eighty-one".

Divisors: 1 3 9 23 69 207 683 2049 6147 15709 47127 141381