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13445193 = 36173471
BaseRepresentation
bin110011010010…
…100001001001
3221022002100010
4303102201021
511420221233
61200102133
7222165546
oct63224111
927262303
1013445193
117653633
124604949
132a29a48
141addbcd
1512a8b63
hexcd2849

13445193 has 8 divisors (see below), whose sum is σ = 18221056. Its totient is φ = 8816400.

The previous prime is 13445189. The next prime is 13445203. The reversal of 13445193 is 39154431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13445193 - 22 = 13445189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13445193.

It is not an unprimeable number, because it can be changed into a prime (13445893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36553 + ... + 36918.

It is an arithmetic number, because the mean of its divisors is an integer number (2277632).

Almost surely, 213445193 is an apocalyptic number.

It is an amenable number.

13445193 is a deficient number, since it is larger than the sum of its proper divisors (4775863).

13445193 is an equidigital number, since it uses as much as digits as its factorization.

13445193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73535.

The product of its digits is 6480, while the sum is 30.

The square root of 13445193 is about 3666.7687410034. The cubic root of 13445193 is about 237.7874959796.

The spelling of 13445193 in words is "thirteen million, four hundred forty-five thousand, one hundred ninety-three".

Divisors: 1 3 61 183 73471 220413 4481731 13445193