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14391630 = 23251114537
BaseRepresentation
bin110110111001…
…100101001110
31000002011121100
4312321211032
512141013010
61232243530
7233220051
oct66714516
930064540
1014391630
11813a710
1249a05a6
132c9b776
141ca8a98
1513e42c0
hexdb994e

14391630 has 48 divisors (see below), whose sum is σ = 40822704. Its totient is φ = 3488640.

The previous prime is 14391617. The next prime is 14391649. The reversal of 14391630 is 3619341.

It is a junction number, because it is equal to n+sod(n) for n = 14391594 and 14391603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6279 + ... + 8258.

It is an arithmetic number, because the mean of its divisors is an integer number (850473).

Almost surely, 214391630 is an apocalyptic number.

14391630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14391630 is an abundant number, since it is smaller than the sum of its proper divisors (26431074).

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

14391630 is a wasteful number, since it uses less digits than its factorization.

14391630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14561 (or 14558 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 14391630 is about 3793.6301875644. The cubic root of 14391630 is about 243.2409336217.

The spelling of 14391630 in words is "fourteen million, three hundred ninety-one thousand, six hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 990 14537 29074 43611 72685 87222 130833 145370 159907 218055 261666 319814 436110 479721 654165 799535 959442 1308330 1439163 1599070 2398605 2878326 4797210 7195815 14391630