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14420308 = 2272294359
BaseRepresentation
bin110111000000…
…100101010100
31000010121221111
4313000211110
512142422213
61233024404
7233366500
oct67004524
930117844
1014420308
11815a211
1249b5104
132cab836
141cb5300
1513eca3d
hexdc0954

14420308 has 72 divisors (see below), whose sum is σ = 31600800. Its totient is φ = 5729472.

The previous prime is 14420303. The next prime is 14420317. The reversal of 14420308 is 80302441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14420303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244383 + ... + 244441.

It is an arithmetic number, because the mean of its divisors is an integer number (438900).

Almost surely, 214420308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14420308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15800400).

14420308 is an abundant number, since it is smaller than the sum of its proper divisors (17180492).

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

14420308 is a wasteful number, since it uses less digits than its factorization.

14420308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 14420308 is about 3797.4080634032. The cubic root of 14420308 is about 243.4023940257.

Adding to 14420308 its reverse (80302441), we get a palindrome (94722749).

The spelling of 14420308 in words is "fourteen million, four hundred twenty thousand, three hundred eight".

Divisors: 1 2 4 7 14 28 29 43 49 58 59 86 98 116 118 172 196 203 236 301 406 413 602 812 826 1204 1247 1421 1652 1711 2107 2494 2537 2842 2891 3422 4214 4988 5074 5684 5782 6844 8428 8729 10148 11564 11977 17458 17759 23954 34916 35518 47908 61103 71036 73573 83839 122206 124313 147146 167678 244412 248626 294292 335356 497252 515011 1030022 2060044 3605077 7210154 14420308