Base | Representation |
---|---|
bin | 110011011100… |
… | …101110001110 |
3 | 221101012200011 |
4 | 303130232032 |
5 | 11423040430 |
6 | 1201023434 |
7 | 222431446 |
oct | 63345616 |
9 | 27335604 |
10 | 13486990 |
11 | 7681a80 |
12 | 4624b7a |
13 | 2a42a8a |
14 | 1b11126 |
15 | 12b622a |
hex | cdcb8e |
13486990 has 16 divisors (see below), whose sum is σ = 26483760. Its totient is φ = 4904320.
The previous prime is 13486951. The next prime is 13486997. The reversal of 13486990 is 9968431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13486997) 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, 61195 + ... + 61414.
It is an arithmetic number, because the mean of its divisors is an integer number (1655235).
Almost surely, 213486990 is an apocalyptic number.
13486990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13486990 is a deficient number, since it is larger than the sum of its proper divisors (12996770).
13486990 is a wasteful number, since it uses less digits than its factorization.
13486990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122627.
The product of its (nonzero) digits is 46656, while the sum is 40.
The square root of 13486990 is about 3672.4637506720. The cubic root of 13486990 is about 238.0336439974.
It can be divided in two parts, 1348 and 6990, that added together give a palindrome (8338).
The spelling of 13486990 in words is "thirteen million, four hundred eighty-six thousand, nine hundred ninety".
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