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13485775 = 523117401
BaseRepresentation
bin110011011100…
…011011001111
3221101011000011
4303130123033
511423021100
61201014051
7222425062
oct63343317
927334004
1013485775
117681076
124624327
132a42364
141b108d9
1512b5bba
hexcdc6cf

13485775 has 12 divisors (see below), whose sum is σ = 17262784. Its totient is φ = 10440000.

The previous prime is 13485739. The next prime is 13485781. The reversal of 13485775 is 57758431.

It is a de Polignac number, because none of the positive numbers 2k-13485775 is a prime.

It is a super-2 number, since 2×134857752 = 363732254701250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7926 + ... + 9475.

Almost surely, 213485775 is an apocalyptic number.

13485775 is a deficient number, since it is larger than the sum of its proper divisors (3777009).

13485775 is a wasteful number, since it uses less digits than its factorization.

13485775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17442 (or 17437 counting only the distinct ones).

The product of its digits is 117600, while the sum is 40.

The square root of 13485775 is about 3672.2983266614. The cubic root of 13485775 is about 238.0264958850.

The spelling of 13485775 in words is "thirteen million, four hundred eighty-five thousand, seven hundred seventy-five".

Divisors: 1 5 25 31 155 775 17401 87005 435025 539431 2697155 13485775