Search a number
-
+
14552231 = 71972113
BaseRepresentation
bin110111100000…
…110010100111
31000101022220112
4313200302213
512211132411
61235523235
7234456221
oct67406247
930338815
1014552231
11823a341
124a5951b
1330268b5
141d0b411
151426b8b
hexde0ca7

14552231 has 8 divisors (see below), whose sum is σ = 14916384. Its totient is φ = 14192640.

The previous prime is 14552203. The next prime is 14552243. The reversal of 14552231 is 13225541.

14552231 = T258 + T259 + ... + T470.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14552231 is a prime.

It is a super-2 number, since 2×145522312 = 423534854154722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14552197 and 14552206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14552201) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 5831 + ... + 7943.

It is an arithmetic number, because the mean of its divisors is an integer number (1864548).

Almost surely, 214552231 is an apocalyptic number.

14552231 is a deficient number, since it is larger than the sum of its proper divisors (364153).

14552231 is an equidigital number, since it uses as much as digits as its factorization.

14552231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281.

The product of its digits is 1200, while the sum is 23.

The square root of 14552231 is about 3814.7386542200. The cubic root of 14552231 is about 244.1423909102.

Adding to 14552231 its reverse (13225541), we get a palindrome (27777772).

The spelling of 14552231 in words is "fourteen million, five hundred fifty-two thousand, two hundred thirty-one".

Divisors: 1 71 97 2113 6887 150023 204961 14552231