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14618020 = 225730901
BaseRepresentation
bin110111110000…
…110110100100
31000111200011011
4313300312210
512220234040
61241152004
7235152064
oct67606644
930450134
1014618020
11828480a
124a8b604
13304a821
141d273a4
15143b3ea
hexdf0da4

14618020 has 12 divisors (see below), whose sum is σ = 30697884. Its totient is φ = 5847200.

The previous prime is 14617969. The next prime is 14618027. The reversal of 14618020 is 2081641.

It can be written as a sum of positive squares in 2 ways, for example, as 1542564 + 13075456 = 1242^2 + 3616^2 .

It is a junction number, because it is equal to n+sod(n) for n = 14617982 and 14618000.

It is not an unprimeable number, because it can be changed into a prime (14618027) 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 3 ways as a sum of consecutive naturals, for example, 365431 + ... + 365470.

It is an arithmetic number, because the mean of its divisors is an integer number (2558157).

Almost surely, 214618020 is an apocalyptic number.

14618020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14618020 is an abundant number, since it is smaller than the sum of its proper divisors (16079864).

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

14618020 is a wasteful number, since it uses less digits than its factorization.

14618020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730910 (or 730908 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 14618020 is about 3823.3519325325. The cubic root of 14618020 is about 244.5097512989.

Adding to 14618020 its reverse (2081641), we get a palindrome (16699661).

The spelling of 14618020 in words is "fourteen million, six hundred eighteen thousand, twenty".

Divisors: 1 2 4 5 10 20 730901 1461802 2923604 3654505 7309010 14618020