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14724220 = 2257105173
BaseRepresentation
bin111000001010…
…110001111100
31000201001211111
4320022301330
512232133340
61243331404
7236103520
oct70126174
930631744
1014724220
118347585
124b20b64
133086c74
141d53d80
15145caea
hexe0ac7c

14724220 has 24 divisors (see below), whose sum is σ = 35338464. Its totient is φ = 5048256.

The previous prime is 14724211. The next prime is 14724233. The reversal of 14724220 is 2242741.

It is a happy number.

14724220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 14724191 and 14724200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52447 + ... + 52726.

It is an arithmetic number, because the mean of its divisors is an integer number (1472436).

Almost surely, 214724220 is an apocalyptic number.

14724220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14724220 is an abundant number, since it is smaller than the sum of its proper divisors (20614244).

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

14724220 is a wasteful number, since it uses less digits than its factorization.

14724220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105189 (or 105187 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 14724220 is about 3837.2151360068. The cubic root of 14724220 is about 245.1004447228.

Adding to 14724220 its reverse (2242741), we get a palindrome (16966961).

The spelling of 14724220 in words is "fourteen million, seven hundred twenty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 105173 210346 420692 525865 736211 1051730 1472422 2103460 2944844 3681055 7362110 14724220