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142514 = 271257
BaseRepresentation
bin100010110010110010
321020111022
4202302302
514030024
63015442
71132331
oct426262
9236438
10142514
1198089
126a582
134cb38
1439d18
152c35e
hex22cb2

142514 has 4 divisors (see below), whose sum is σ = 213774. Its totient is φ = 71256.

The previous prime is 142501. The next prime is 142529. The reversal of 142514 is 415241.

142514 is nontrivially palindromic in base 11.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 415241 = 617673.

It can be written as a sum of positive squares in only one way, i.e., 100489 + 42025 = 317^2 + 205^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142492 and 142501.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142514.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35627 + ... + 35630.

2142514 is an apocalyptic number.

142514 is a deficient number, since it is larger than the sum of its proper divisors (71260).

142514 is an equidigital number, since it uses as much as digits as its factorization.

142514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71259.

The product of its digits is 160, while the sum is 17.

The square root of 142514 is about 377.5102647611. The cubic root of 142514 is about 52.2339068132.

Adding to 142514 its reverse (415241), we get a palindrome (557755).

It can be divided in two parts, 142 and 514, that added together give a palindrome (656).

The spelling of 142514 in words is "one hundred forty-two thousand, five hundred fourteen".

Divisors: 1 2 71257 142514