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14024720 = 245175309
BaseRepresentation
bin110101100000…
…000000010000
3222101112022002
4311200000100
512042242340
61220333132
7230131253
oct65400020
928345262
1014024720
117a09a86
1248441a8
132ba0768
141c1109a
151370715
hexd60010

14024720 has 20 divisors (see below), whose sum is σ = 32607660. Its totient is φ = 5609856.

The previous prime is 14024707. The next prime is 14024723. The reversal of 14024720 is 2742041.

It can be written as a sum of positive squares in 2 ways, for example, as 3810304 + 10214416 = 1952^2 + 3196^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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 = 14024692 and 14024701.

It is not an unprimeable number, because it can be changed into a prime (14024723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87575 + ... + 87734.

It is an arithmetic number, because the mean of its divisors is an integer number (1630383).

Almost surely, 214024720 is an apocalyptic number.

14024720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14024720 is an abundant number, since it is smaller than the sum of its proper divisors (18582940).

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

14024720 is a wasteful number, since it uses less digits than its factorization.

14024720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175322 (or 175316 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 14024720 is about 3744.9592788173. The cubic root of 14024720 is about 241.1559970956.

Adding to 14024720 its reverse (2742041), we get a palindrome (16766761).

The spelling of 14024720 in words is "fourteen million, twenty-four thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 175309 350618 701236 876545 1402472 1753090 2804944 3506180 7012360 14024720