Base | Representation |
---|---|
bin | 110100101010… |
… | …111101000110 |
3 | 221222111020022 |
4 | 310222331012 |
5 | 12013314210 |
6 | 1211535142 |
7 | 225234620 |
oct | 64527506 |
9 | 27874208 |
10 | 13807430 |
11 | 78807aa |
12 | 475a4b2 |
13 | 2b258a0 |
14 | 1b95c10 |
15 | 132b155 |
hex | d2af46 |
13807430 has 32 divisors (see below), whose sum is σ = 30590784. Its totient is φ = 4369536.
The previous prime is 13807421. The next prime is 13807463. The reversal of 13807430 is 3470831.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a self number, because there is not a number n which added to its sum of digits gives 13807430.
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 15 ways as a sum of consecutive naturals, for example, 6677 + ... + 8496.
It is an arithmetic number, because the mean of its divisors is an integer number (955962).
Almost surely, 213807430 is an apocalyptic number.
13807430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13807430 is an abundant number, since it is smaller than the sum of its proper divisors (16783354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13807430 is a wasteful number, since it uses less digits than its factorization.
13807430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15200.
The product of its (nonzero) digits is 2016, while the sum is 26.
The square root of 13807430 is about 3715.8350340132. The cubic root of 13807430 is about 239.9040704578.
The spelling of 13807430 in words is "thirteen million, eight hundred seven thousand, four hundred thirty".
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