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141012 = 22323917
BaseRepresentation
bin100010011011010100
321011102200
4202123110
514003022
63004500
71125054
oct423324
9234380
10141012
1196a43
1269730
134c251
1439564
152bbac
hex226d4

141012 has 18 divisors (see below), whose sum is σ = 356538. Its totient is φ = 46992.

The previous prime is 140989. The next prime is 141023. The reversal of 141012 is 210141.

It is a happy number.

141012 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in only one way, i.e., 133956 + 7056 = 366^2 + 84^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 140985 and 141003.

It is a congruent number.

It is an unprimeable number.

141012 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1923 + ... + 1994.

2141012 is an apocalyptic number.

141012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

141012 is an abundant number, since it is smaller than the sum of its proper divisors (215526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

141012 is a wasteful number, since it uses less digits than its factorization.

141012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3927 (or 3922 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 141012 is about 375.5156454797. The cubic root of 141012 is about 52.0497551390.

Adding to 141012 its reverse (210141), we get a palindrome (351153).

The spelling of 141012 in words is "one hundred forty-one thousand, twelve", and thus it is an iban number.

Divisors: 1 2 3 4 6 9 12 18 36 3917 7834 11751 15668 23502 35253 47004 70506 141012