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14445320 = 2351983229
BaseRepresentation
bin110111000110…
…101100001000
31000011220020212
4313012230020
512144222240
61233340252
7233532431
oct67065410
930156225
1014445320
118176a8a
124a07688
132cba036
141cc0488
151405165
hexdc6b08

14445320 has 64 divisors (see below), whose sum is σ = 34776000. Its totient is φ = 5384448.

The previous prime is 14445317. The next prime is 14445329. The reversal of 14445320 is 2354441.

It is not an unprimeable number, because it can be changed into a prime (14445329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62966 + ... + 63194.

It is an arithmetic number, because the mean of its divisors is an integer number (543375).

Almost surely, 214445320 is an apocalyptic number.

14445320 is a gapful number since it is divisible by the number (10) 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 14445320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17388000).

14445320 is an abundant number, since it is smaller than the sum of its proper divisors (20330680).

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

14445320 is a wasteful number, since it uses less digits than its factorization.

14445320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 14445320 is about 3800.6999355382. The cubic root of 14445320 is about 243.5430397549.

Adding to 14445320 its reverse (2354441), we get a palindrome (16799761).

The spelling of 14445320 in words is "fourteen million, four hundred forty-five thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 83 95 152 166 190 229 332 380 415 458 664 760 830 916 1145 1577 1660 1832 2290 3154 3320 4351 4580 6308 7885 8702 9160 12616 15770 17404 19007 21755 31540 34808 38014 43510 63080 76028 87020 95035 152056 174040 190070 361133 380140 722266 760280 1444532 1805665 2889064 3611330 7222660 14445320