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14163620 = 2252932417
BaseRepresentation
bin110110000001…
…111010100100
3222122120211112
4312001322210
512111213440
61223324152
7231250232
oct66017244
928576745
1014163620
117aa4379
1248b0658
132c1ba53
141c49952
15139b965
hexd81ea4

14163620 has 24 divisors (see below), whose sum is σ = 29857464. Its totient is φ = 5643776.

The previous prime is 14163613. The next prime is 14163659. The reversal of 14163620 is 2636141.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8809024 + 5354596 = 2968^2 + 2314^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4652 + ... + 7068.

It is an arithmetic number, because the mean of its divisors is an integer number (1244061).

Almost surely, 214163620 is an apocalyptic number.

14163620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14163620 is an abundant number, since it is smaller than the sum of its proper divisors (15693844).

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

14163620 is a wasteful number, since it uses less digits than its factorization.

14163620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719 (or 2717 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 14163620 is about 3763.4585157804. The cubic root of 14163620 is about 241.9495147743.

Adding to 14163620 its reverse (2636141), we get a palindrome (16799761).

The spelling of 14163620 in words is "fourteen million, one hundred sixty-three thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 293 586 1172 1465 2417 2930 4834 5860 9668 12085 24170 48340 708181 1416362 2832724 3540905 7081810 14163620