Search a number
-
+
12230506 = 26115253
BaseRepresentation
bin101110101001…
…111101101010
3212000101002201
4232221331222
511112334011
61114050414
7205646311
oct56517552
925011081
1012230506
1169a3a62
124119a0a
1326c2bb2
1418a5278
151118cc1
hexba9f6a

12230506 has 4 divisors (see below), whose sum is σ = 18345762. Its totient is φ = 6115252.

The previous prime is 12230467. The next prime is 12230513. The reversal of 12230506 is 60503221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60503221 = 173559013.

It can be written as a sum of positive squares in only one way, i.e., 9357481 + 2873025 = 3059^2 + 1695^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3057625 + ... + 3057628.

Almost surely, 212230506 is an apocalyptic number.

12230506 is a deficient number, since it is larger than the sum of its proper divisors (6115256).

12230506 is an equidigital number, since it uses as much as digits as its factorization.

12230506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6115255.

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

The square root of 12230506 is about 3497.2140340563. The cubic root of 12230506 is about 230.3994696209.

Adding to 12230506 its reverse (60503221), we get a palindrome (72733727).

It can be divided in two parts, 122 and 30506, that added together give a triangular number (30628 = T247).

The spelling of 12230506 in words is "twelve million, two hundred thirty thousand, five hundred six".

Divisors: 1 2 6115253 12230506