Base | Representation |
---|---|
bin | 110011000101… |
… | …001000110001 |
3 | 221012022011012 |
4 | 303011020301 |
5 | 11411443020 |
6 | 1155000305 |
7 | 221550011 |
oct | 63051061 |
9 | 27168135 |
10 | 13390385 |
11 | 7616438 |
12 | 4599095 |
13 | 2a0ab08 |
14 | 1ac7c41 |
15 | 12977c5 |
hex | cc5231 |
13390385 has 8 divisors (see below), whose sum is σ = 16089216. Its totient is φ = 10698480.
The previous prime is 13390367. The next prime is 13390417. The reversal of 13390385 is 58309331.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13390385 - 28 = 13390129 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4712 + ... + 6998.
It is an arithmetic number, because the mean of its divisors is an integer number (2011152).
Almost surely, 213390385 is an apocalyptic number.
It is an amenable number.
13390385 is a deficient number, since it is larger than the sum of its proper divisors (2698831).
13390385 is a wasteful number, since it uses less digits than its factorization.
13390385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3463.
The product of its (nonzero) digits is 9720, while the sum is 32.
The square root of 13390385 is about 3659.2874989539. The cubic root of 13390385 is about 237.4639502070.
The spelling of 13390385 in words is "thirteen million, three hundred ninety thousand, three hundred eighty-five".
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