Base | Representation |
---|---|
bin | 111101001110… |
… | …110000011110 |
3 | 1010012111011000 |
4 | 331032300132 |
5 | 13102114410 |
6 | 1332011130 |
7 | 253301406 |
oct | 75166036 |
9 | 33174130 |
10 | 16051230 |
11 | 9073588 |
12 | 5460aa6 |
13 | 342cc90 |
14 | 21bb806 |
15 | 1620dc0 |
hex | f4ec1e |
16051230 has 128 divisors (see below), whose sum is σ = 48988800. Its totient is φ = 3704832.
The previous prime is 16051201. The next prime is 16051241. The reversal of 16051230 is 3215061.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 59536 + ... + 59804.
It is an arithmetic number, because the mean of its divisors is an integer number (382725).
Almost surely, 216051230 is an apocalyptic number.
16051230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 16051230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24494400).
16051230 is an abundant number, since it is smaller than the sum of its proper divisors (32937570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16051230 is a wasteful number, since it uses less digits than its factorization.
With its successor (16051231) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (309).
16051230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 315 (or 309 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 16051230 is about 4006.3986321883. The cubic root of 16051230 is about 252.2528640978.
Adding to 16051230 its reverse (3215061), we get a palindrome (19266291).
The spelling of 16051230 in words is "sixteen million, fifty-one thousand, two hundred thirty".
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