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14481820 = 2253671973
BaseRepresentation
bin110111001111…
…100110011100
31000020202022201
4313033212130
512201404240
61234221244
7234044023
oct67174634
930222281
1014481820
1181a1451
124a24824
133000832
141ccd8ba
151410d9a
hexdcf99c

14481820 has 24 divisors (see below), whose sum is σ = 30510144. Its totient is φ = 5774016.

The previous prime is 14481793. The next prime is 14481821. The reversal of 14481820 is 2818441.

It is a super-2 number, since 2×144818202 = 419446221024800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14481821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6354 + ... + 8326.

It is an arithmetic number, because the mean of its divisors is an integer number (1271256).

Almost surely, 214481820 is an apocalyptic number.

14481820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14481820 is an abundant number, since it is smaller than the sum of its proper divisors (16028324).

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

14481820 is a wasteful number, since it uses less digits than its factorization.

14481820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349 (or 2347 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 14481820 is about 3805.4986532648. The cubic root of 14481820 is about 243.7479929705.

The spelling of 14481820 in words is "fourteen million, four hundred eighty-one thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 367 734 1468 1835 1973 3670 3946 7340 7892 9865 19730 39460 724091 1448182 2896364 3620455 7240910 14481820