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14643020 = 2257104593
BaseRepresentation
bin110111110110…
…111101001100
31000112221110002
4313312331030
512222034040
61241503432
7235315010
oct67667514
930487402
1014643020
1182a1577
124aa1b78
133059012
141d32540
151443a15
hexdf6f4c

14643020 has 24 divisors (see below), whose sum is σ = 35143584. Its totient is φ = 5020416.

The previous prime is 14643011. The next prime is 14643029. The reversal of 14643020 is 2034641.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (14643011) and next prime (14643029).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 14642983 and 14643001.

It is not an unprimeable number, because it can be changed into a prime (14643029) 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, 52157 + ... + 52436.

It is an arithmetic number, because the mean of its divisors is an integer number (1464316).

Almost surely, 214643020 is an apocalyptic number.

14643020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14643020 is an abundant number, since it is smaller than the sum of its proper divisors (20500564).

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

14643020 is a wasteful number, since it uses less digits than its factorization.

14643020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104609 (or 104607 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 14643020 is about 3826.6199184136. The cubic root of 14643020 is about 244.6490602336.

Adding to 14643020 its reverse (2034641), we get a palindrome (16677661).

The spelling of 14643020 in words is "fourteen million, six hundred forty-three thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 104593 209186 418372 522965 732151 1045930 1464302 2091860 2928604 3660755 7321510 14643020