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13446505 = 514918049
BaseRepresentation
bin110011010010…
…110101101001
3221022011010201
4303102311221
511420242010
61200112201
7222202432
oct63226551
927264121
1013446505
117654616
124605661
132a2a517
141b00489
1512a923a
hexcd2d69

13446505 has 8 divisors (see below), whose sum is σ = 16245000. Its totient is φ = 10684416.

The previous prime is 13446493. The next prime is 13446523. The reversal of 13446505 is 50564431.

13446505 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1245456 + 12201049 = 1116^2 + 3493^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13446505 - 215 = 13413737 is a prime.

It is an unprimeable number.

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, 8280 + ... + 9769.

It is an arithmetic number, because the mean of its divisors is an integer number (2030625).

Almost surely, 213446505 is an apocalyptic number.

It is an amenable number.

13446505 is a deficient number, since it is larger than the sum of its proper divisors (2798495).

13446505 is a wasteful number, since it uses less digits than its factorization.

13446505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18203.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 13446505 is about 3666.9476407497. The cubic root of 13446505 is about 237.7952302692.

The spelling of 13446505 in words is "thirteen million, four hundred forty-six thousand, five hundred five".

Divisors: 1 5 149 745 18049 90245 2689301 13446505