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13530214 = 26765107
BaseRepresentation
bin110011100111…
…010001100110
3221110101222001
4303213101212
511430431324
61201555514
7223001455
oct63472146
927411861
1013530214
1177014a5
124645b9a
132a59659
141b22b9c
1512c3e44
hexce7466

13530214 has 4 divisors (see below), whose sum is σ = 20295324. Its totient is φ = 6765106.

The previous prime is 13530203. The next prime is 13530259. The reversal of 13530214 is 41203531.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 13530191 and 13530200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3382552 + ... + 3382555.

It is an arithmetic number, because the mean of its divisors is an integer number (5073831).

Almost surely, 213530214 is an apocalyptic number.

13530214 is a deficient number, since it is larger than the sum of its proper divisors (6765110).

13530214 is an equidigital number, since it uses as much as digits as its factorization.

13530214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6765109.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 13530214 is about 3678.3439208426. The cubic root of 13530214 is about 238.2876614959.

Adding to 13530214 its reverse (41203531), we get a palindrome (54733745).

The spelling of 13530214 in words is "thirteen million, five hundred thirty thousand, two hundred fourteen".

Divisors: 1 2 6765107 13530214