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14481620 = 22517191223
BaseRepresentation
bin110111001111…
…100011010100
31000020202001022
4313033203110
512201402440
61234220312
7234043316
oct67174324
930222038
1014481620
1181a128a
124a24698
13300070a
141ccd7b6
151410cb5
hexdcf8d4

14481620 has 48 divisors (see below), whose sum is σ = 32514048. Its totient is φ = 5399040.

The previous prime is 14481617. The next prime is 14481641. The reversal of 14481620 is 2618441.

It is a self number, because there is not a number n which added to its sum of digits gives 14481620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64829 + ... + 65051.

It is an arithmetic number, because the mean of its divisors is an integer number (677376).

Almost surely, 214481620 is an apocalyptic number.

14481620 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 14481620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16257024).

14481620 is an abundant number, since it is smaller than the sum of its proper divisors (18032428).

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

14481620 is a wasteful number, since it uses less digits than its factorization.

14481620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 14481620 is about 3805.4723754089. The cubic root of 14481620 is about 243.7468708781.

The spelling of 14481620 in words is "fourteen million, four hundred eighty-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 191 223 340 382 446 764 892 955 1115 1910 2230 3247 3791 3820 4460 6494 7582 12988 15164 16235 18955 32470 37910 42593 64940 75820 85186 170372 212965 425930 724081 851860 1448162 2896324 3620405 7240810 14481620