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14020512 = 2531121771
BaseRepresentation
bin110101011110…
…111110100000
3222101022112020
4311132332200
512042124022
61220301440
7230113062
oct65367640
928338466
1014020512
117a06900
124841880
132b9b87c
141c0d732
15136e35c
hexd5efa0

14020512 has 144 divisors (see below), whose sum is σ = 43436736. Its totient is φ = 3942400.

The previous prime is 14020469. The next prime is 14020519. The reversal of 14020512 is 21502041.

It is a junction number, because it is equal to n+sod(n) for n = 14020491 and 14020500.

It is not an unprimeable number, because it can be changed into a prime (14020519) 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, 197437 + ... + 197507.

It is an arithmetic number, because the mean of its divisors is an integer number (301644).

Almost surely, 214020512 is an apocalyptic number.

14020512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14020512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21718368).

14020512 is an abundant number, since it is smaller than the sum of its proper divisors (29416224).

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

14020512 is a wasteful number, since it uses less digits than its factorization.

14020512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 14020512 is about 3744.3974148052. The cubic root of 14020512 is about 241.1318757360.

Adding to 14020512 its reverse (21502041), we get a palindrome (35522553).

The spelling of 14020512 in words is "fourteen million, twenty thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 16 17 22 24 32 33 34 44 48 51 66 68 71 88 96 102 121 132 136 142 176 187 204 213 242 264 272 284 352 363 374 408 426 484 528 544 561 568 726 748 781 816 852 968 1056 1122 1136 1207 1452 1496 1562 1632 1704 1936 2057 2244 2272 2343 2414 2904 2992 3124 3408 3621 3872 4114 4488 4686 4828 5808 5984 6171 6248 6816 7242 8228 8591 8976 9372 9656 11616 12342 12496 13277 14484 16456 17182 17952 18744 19312 24684 24992 25773 26554 28968 32912 34364 37488 38624 39831 49368 51546 53108 57936 65824 68728 74976 79662 98736 103092 106216 115872 137456 146047 159324 197472 206184 212432 274912 292094 318648 412368 424864 438141 584188 637296 824736 876282 1168376 1274592 1752564 2336752 3505128 4673504 7010256 14020512