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14123213 = 131957179
BaseRepresentation
bin110101111000…
…000011001101
3222120112101222
4311320003031
512103420323
61222413125
7231021356
oct65700315
928515358
1014123213
117a76a85
1248911a5
132c06540
141c38d2d
15138e9c8
hexd780cd

14123213 has 8 divisors (see below), whose sum is σ = 16010400. Its totient is φ = 12350448.

The previous prime is 14123191. The next prime is 14123231. The reversal of 14123213 is 31232141.

14123213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 14123213 - 28 = 14122957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14123191 and 14123200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14123273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28343 + ... + 28836.

It is an arithmetic number, because the mean of its divisors is an integer number (2001300).

Almost surely, 214123213 is an apocalyptic number.

14123213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

14123213 is a deficient number, since it is larger than the sum of its proper divisors (1887187).

14123213 is a wasteful number, since it uses less digits than its factorization.

14123213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57211.

The product of its digits is 144, while the sum is 17.

The square root of 14123213 is about 3758.0863481299. The cubic root of 14123213 is about 241.7192119328.

Adding to 14123213 its reverse (31232141), we get a palindrome (45355354).

It can be divided in two parts, 1 and 4123213, that added together give a palindrome (4123214).

The spelling of 14123213 in words is "fourteen million, one hundred twenty-three thousand, two hundred thirteen".

Divisors: 1 13 19 247 57179 743327 1086401 14123213