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14220312 = 2331314523
BaseRepresentation
bin110110001111…
…110000011000
3222202110121020
4312033300120
512120022222
61224442440
7231604431
oct66176030
928673536
1014220312
118032a27
124919420
132c3b7b2
141c62488
1513ad65c
hexd8fc18

14220312 has 32 divisors (see below), whose sum is σ = 35830080. Its totient is φ = 4702880.

The previous prime is 14220301. The next prime is 14220319. The reversal of 14220312 is 21302241.

14220312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 14220291 and 14220300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14220319) 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, 883 + ... + 5405.

It is an arithmetic number, because the mean of its divisors is an integer number (1119690).

Almost surely, 214220312 is an apocalyptic number.

14220312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

14220312 is an abundant number, since it is smaller than the sum of its proper divisors (21609768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14220312 is a wasteful number, since it uses less digits than its factorization.

14220312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4663 (or 4659 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 14220312 is about 3770.9828957448. The cubic root of 14220312 is about 242.2718980248.

Adding to 14220312 its reverse (21302241), we get a palindrome (35522553).

The spelling of 14220312 in words is "fourteen million, two hundred twenty thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 131 262 393 524 786 1048 1572 3144 4523 9046 13569 18092 27138 36184 54276 108552 592513 1185026 1777539 2370052 3555078 4740104 7110156 14220312