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14391486 = 2331761257
BaseRepresentation
bin110110111001…
…100010111110
31000002011102000
4312321202332
512141011421
61232243130
7233216454
oct66714276
930064360
1014391486
11813a59a
1249a04a6
132c9b695
141ca89d4
1513e4226
hexdb98be

14391486 has 64 divisors (see below), whose sum is σ = 34551360. Its totient is φ = 4423680.

The previous prime is 14391473. The next prime is 14391497. The reversal of 14391486 is 68419341.

It is a super-2 number, since 2×143914862 = 414229738576392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14391486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55870 + ... + 56126.

It is an arithmetic number, because the mean of its divisors is an integer number (539865).

Almost surely, 214391486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14391486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17275680).

14391486 is an abundant number, since it is smaller than the sum of its proper divisors (20159874).

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

14391486 is a wasteful number, since it uses less digits than its factorization.

14391486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 340 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 14391486 is about 3793.6112083343. The cubic root of 14391486 is about 243.2401223443.

The spelling of 14391486 in words is "fourteen million, three hundred ninety-one thousand, four hundred eighty-six".

Divisors: 1 2 3 6 9 17 18 27 34 51 54 61 102 122 153 183 257 306 366 459 514 549 771 918 1037 1098 1542 1647 2074 2313 3111 3294 4369 4626 6222 6939 8738 9333 13107 13878 15677 18666 26214 27999 31354 39321 47031 55998 78642 94062 117963 141093 235926 266509 282186 423279 533018 799527 846558 1599054 2398581 4797162 7195743 14391486