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14399370 = 234529613
BaseRepresentation
bin110110111011…
…011110001010
31000002120020000
4312323132022
512141234440
61232343430
7233251446
oct66733612
930076200
1014399370
118145507
1249a4b76
132ca214b
141cab826
1513e6730
hexdbb78a

14399370 has 80 divisors (see below), whose sum is σ = 40118760. Its totient is φ = 3701376.

The previous prime is 14399369. The next prime is 14399377. The reversal of 14399370 is 7399341.

It can be written as a sum of positive squares in 4 ways, for example, as 6765201 + 7634169 = 2601^2 + 2763^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14399377) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23184 + ... + 23796.

Almost surely, 214399370 is an apocalyptic number.

14399370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14399370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20059380).

14399370 is an abundant number, since it is smaller than the sum of its proper divisors (25719390).

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

14399370 is a wasteful number, since it uses less digits than its factorization.

14399370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 14399370 is about 3794.6501815055. The cubic root of 14399370 is about 243.2845318200.

The spelling of 14399370 in words is "fourteen million, three hundred ninety-nine thousand, three hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 27 29 30 45 54 58 81 87 90 135 145 162 174 261 270 290 405 435 522 613 783 810 870 1226 1305 1566 1839 2349 2610 3065 3678 3915 4698 5517 6130 7830 9195 11034 11745 16551 17777 18390 23490 27585 33102 35554 49653 53331 55170 82755 88885 99306 106662 159993 165510 177770 248265 266655 319986 479979 496530 533310 799965 959958 1439937 1599930 2399895 2879874 4799790 7199685 14399370