| Base | Representation |
|---|---|
| bin | 111101001101… |
| … | …011101100000 |
| 3 | 1010012012212100 |
| 4 | 331031131200 |
| 5 | 13101432140 |
| 6 | 1331530400 |
| 7 | 253250052 |
| oct | 75153540 |
| 9 | 33165770 |
| 10 | 16045920 |
| 11 | 906a5a0 |
| 12 | 5459a00 |
| 13 | 342a737 |
| 14 | 21b98d2 |
| 15 | 161e530 |
| hex | f4d760 |
16045920 has 144 divisors (see below), whose sum is σ = 59793552. Its totient is φ = 3886080.
The previous prime is 16045919. The next prime is 16045921. The reversal of 16045920 is 2954061.
16045920 is a `hidden beast` number, since 1 + 604 + 59 + 2 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (16045919) and next prime (16045921).
It is a tau number, because it is divible by the number of its divisors (144).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16045921) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 15334 + ... + 16346.
It is an arithmetic number, because the mean of its divisors is an integer number (415233).
Almost surely, 216045920 is an apocalyptic number.
16045920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 16045920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29896776).
16045920 is an abundant number, since it is smaller than the sum of its proper divisors (43747632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16045920 is a wasteful number, since it uses less digits than its factorization.
16045920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1045 (or 1034 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The square root of 16045920 is about 4005.7358874494. The cubic root of 16045920 is about 252.2250446214.
Adding to 16045920 its reverse (2954061), we get a palindrome (18999981).
The spelling of 16045920 in words is "sixteen million, forty-five thousand, nine hundred twenty".
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