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13485818 = 225726237
BaseRepresentation
bin110011011100…
…011011111010
3221101011001202
4303130123322
511423021233
61201014202
7222425153
oct63343372
927334052
1013485818
117681105
124624362
132a42398
141b1092a
1512b5be8
hexcdc6fa

13485818 has 8 divisors (see below), whose sum is σ = 20308212. Its totient is φ = 6716416.

The previous prime is 13485809. The next prime is 13485821. The reversal of 13485818 is 81858431.

It can be written as a sum of positive squares in 2 ways, for example, as 13271449 + 214369 = 3643^2 + 463^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12605 + ... + 13632.

Almost surely, 213485818 is an apocalyptic number.

13485818 is a deficient number, since it is larger than the sum of its proper divisors (6822394).

13485818 is a wasteful number, since it uses less digits than its factorization.

13485818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26496.

The product of its digits is 30720, while the sum is 38.

The square root of 13485818 is about 3672.3041813009. The cubic root of 13485818 is about 238.0267488708.

The spelling of 13485818 in words is "thirteen million, four hundred eighty-five thousand, eight hundred eighteen".

Divisors: 1 2 257 514 26237 52474 6742909 13485818