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15214 = 27607
BaseRepresentation
bin11101101101110
3202212111
43231232
5441324
6154234
762233
oct35556
922774
1015214
1110481
12897a
136c04
14578a
154794
hex3b6e

15214 has 4 divisors (see below), whose sum is σ = 22824. Its totient is φ = 7606.

The previous prime is 15199. The next prime is 15217. The reversal of 15214 is 41251.

Adding to 15214 its reverse (41251), we get a palindrome (56465).

It can be divided in two parts, 1521 and 4, that multiplied together give a square (6084 = 782).

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

It is an Ulam number.

It is a plaindrome in base 8 and base 14.

It is a junction number, because it is equal to n+sod(n) for n = 15194 and 15203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15217) by changing a digit.

15214 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 as a sum of consecutive naturals, namely, 3802 + ... + 3805.

It is an arithmetic number, because the mean of its divisors is an integer number (5706).

215214 is an apocalyptic number.

15214 is a deficient number, since it is larger than the sum of its proper divisors (7610).

15214 is an equidigital number, since it uses as much as digits as its factorization.

15214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7609.

The product of its digits is 40, while the sum is 13.

The square root of 15214 is about 123.3450444890. The cubic root of 15214 is about 24.7788494662.

The spelling of 15214 in words is "fifteen thousand, two hundred fourteen".

Divisors: 1 2 7607 15214