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13790222 = 26895111
BaseRepresentation
bin110100100110…
…110000001110
3221221121121222
4310212300032
512012241342
61211323342
7225133505
oct64466016
927847558
1013790222
117869886
124750552
132b1aac4
141b8d83c
151325ed2
hexd26c0e

13790222 has 4 divisors (see below), whose sum is σ = 20685336. Its totient is φ = 6895110.

The previous prime is 13790207. The next prime is 13790243. The reversal of 13790222 is 22209731.

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 = 13790191 and 13790200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3447554 + ... + 3447557.

It is an arithmetic number, because the mean of its divisors is an integer number (5171334).

Almost surely, 213790222 is an apocalyptic number.

13790222 is a deficient number, since it is larger than the sum of its proper divisors (6895114).

13790222 is an equidigital number, since it uses as much as digits as its factorization.

13790222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6895113.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 13790222 is about 3713.5188164327. The cubic root of 13790222 is about 239.8043660369.

Adding to 13790222 its reverse (22209731), we get a palindrome (35999953).

The spelling of 13790222 in words is "thirteen million, seven hundred ninety thousand, two hundred twenty-two".

Divisors: 1 2 6895111 13790222