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13770189 = 33510007
BaseRepresentation
bin110100100001…
…110111001101
3221220121011000
4310201313031
512011121224
61211050513
7225021216
oct64416715
927817130
1013770189
117855824
124740a39
132b11954
141b8640d
1513200c9
hexd21dcd

13770189 has 8 divisors (see below), whose sum is σ = 20400320. Its totient is φ = 9180108.

The previous prime is 13770167. The next prime is 13770199. The reversal of 13770189 is 98107731.

13770189 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13770189 - 27 = 13770061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13770149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254977 + ... + 255030.

It is an arithmetic number, because the mean of its divisors is an integer number (2550040).

Almost surely, 213770189 is an apocalyptic number.

It is an amenable number.

13770189 is a deficient number, since it is larger than the sum of its proper divisors (6630131).

13770189 is an equidigital number, since it uses as much as digits as its factorization.

13770189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510016 (or 510010 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 13770189 is about 3710.8205292091. The cubic root of 13770189 is about 239.6881888162.

The spelling of 13770189 in words is "thirteen million, seven hundred seventy thousand, one hundred eighty-nine".

Divisors: 1 3 9 27 510007 1530021 4590063 13770189