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28014182 = 27397421
BaseRepresentation
bin110101011011…
…1011001100110
31221201021020022
41222313121212
524132423212
62440235142
7460055000
oct152673146
957637208
1028014182
11148a4519
12946bab2
135a5b151
143a13370
1526d5772
hex1ab7666

28014182 has 32 divisors (see below), whose sum is σ = 49627200. Its totient is φ = 11854080.

The previous prime is 28014179. The next prime is 28014187. The reversal of 28014182 is 28141082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28014187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66332 + ... + 66752.

It is an arithmetic number, because the mean of its divisors is an integer number (1550850).

Almost surely, 228014182 is an apocalyptic number.

28014182 is a deficient number, since it is larger than the sum of its proper divisors (21613018).

28014182 is an equidigital number, since it uses as much as digits as its factorization.

28014182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 28014182 is about 5292.8425255244. The cubic root of 28014182 is about 303.7101562781.

The spelling of 28014182 in words is "twenty-eight million, fourteen thousand, one hundred eighty-two".

Divisors: 1 2 7 14 49 97 98 194 343 421 679 686 842 1358 2947 4753 5894 9506 20629 33271 40837 41258 66542 81674 144403 285859 288806 571718 2001013 4002026 14007091 28014182