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140219 = 281499
BaseRepresentation
bin100010001110111011
321010100022
4202032323
513441334
63001055
71122542
oct421673
9233308
10140219
1196392
126918b
134ba91
1439159
152b82e
hex223bb

140219 has 4 divisors (see below), whose sum is σ = 141000. Its totient is φ = 139440.

The previous prime is 140207. The next prime is 140221. The reversal of 140219 is 912041.

It is a happy number.

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: 912041 = 1370157.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-140219 is a prime.

It is a super-2 number, since 2×1402192 = 39322735922, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 140197 and 140206.

It is not an unprimeable number, because it can be changed into a prime (140249) 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, 32 + ... + 530.

It is an arithmetic number, because the mean of its divisors is an integer number (35250).

2140219 is an apocalyptic number.

140219 is a deficient number, since it is larger than the sum of its proper divisors (781).

140219 is an equidigital number, since it uses as much as digits as its factorization.

140219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 140219 is about 374.4582753792. The cubic root of 140219 is about 51.9520020608.

The spelling of 140219 in words is "one hundred forty thousand, two hundred nineteen".

Divisors: 1 281 499 140219