Base | Representation |
---|---|
bin | 110100011101… |
… | …010001011110 |
3 | 221212122100202 |
4 | 310131101132 |
5 | 12010021030 |
6 | 1210423502 |
7 | 224612342 |
oct | 64352136 |
9 | 27778322 |
10 | 13751390 |
11 | 7842694 |
12 | 4731b92 |
13 | 2b06223 |
14 | 1b7d622 |
15 | 1319745 |
hex | d1d45e |
13751390 has 16 divisors (see below), whose sum is σ = 25032240. Its totient is φ = 5438400.
The previous prime is 13751389. The next prime is 13751407. The reversal of 13751390 is 9315731.
It is a Curzon number.
It is a congruent number.
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, 6836 + ... + 8615.
It is an arithmetic number, because the mean of its divisors is an integer number (1564515).
Almost surely, 213751390 is an apocalyptic number.
13751390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13751390 is a deficient number, since it is larger than the sum of its proper divisors (11280850).
13751390 is a wasteful number, since it uses less digits than its factorization.
13751390 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15547.
The product of its (nonzero) digits is 2835, while the sum is 29.
The square root of 13751390 is about 3708.2866663730. The cubic root of 13751390 is about 239.5790653976.
It can be divided in two parts, 13751 and 390, that added together give a palindrome (14141).
The spelling of 13751390 in words is "thirteen million, seven hundred fifty-one thousand, three hundred ninety".
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