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14310220 = 2253123081
BaseRepresentation
bin110110100101…
…101101001100
3222221000221011
4312211231030
512130411340
61230415004
7232430521
oct66455514
928830834
1014310220
118094531
124961464
132c706b2
141c87148
1513ca0ea
hexda5b4c

14310220 has 24 divisors (see below), whose sum is σ = 31022208. Its totient is φ = 5539200.

The previous prime is 14310203. The next prime is 14310223. The reversal of 14310220 is 2201341.

It is a self number, because there is not a number n which added to its sum of digits gives 14310220.

It is not an unprimeable number, because it can be changed into a prime (14310223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10921 + ... + 12160.

It is an arithmetic number, because the mean of its divisors is an integer number (1292592).

Almost surely, 214310220 is an apocalyptic number.

14310220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14310220 is an abundant number, since it is smaller than the sum of its proper divisors (16711988).

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

14310220 is a wasteful number, since it uses less digits than its factorization.

14310220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23121 (or 23119 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 14310220 is about 3782.8851423219. The cubic root of 14310220 is about 242.7814141871.

Adding to 14310220 its reverse (2201341), we get a palindrome (16511561).

The spelling of 14310220 in words is "fourteen million, three hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 23081 46162 92324 115405 230810 461620 715511 1431022 2862044 3577555 7155110 14310220