| Base | Representation |
|---|---|
| bin | 111101101001… |
| … | …001011010000 |
| 3 | 1010101222120210 |
| 4 | 331221023100 |
| 5 | 13114100230 |
| 6 | 1334204120 |
| 7 | 254232033 |
| oct | 75511320 |
| 9 | 33358523 |
| 10 | 16159440 |
| 11 | 9137910 |
| 12 | 54b3640 |
| 13 | 346a2cb |
| 14 | 220901a |
| 15 | 1642eb0 |
| hex | f692d0 |
16159440 has 80 divisors (see below), whose sum is σ = 54657216. Its totient is φ = 3916800.
The previous prime is 16159427. The next prime is 16159441. The reversal of 16159440 is 4495161.
It is a happy number.
16159440 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×161594402 = 522255002227200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 16159398 and 16159407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16159441) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421 + ... + 5700.
Almost surely, 216159440 is an apocalyptic number.
16159440 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 16159440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27328608).
16159440 is an abundant number, since it is smaller than the sum of its proper divisors (38497776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16159440 is a wasteful number, since it uses less digits than its factorization.
16159440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6148 (or 6142 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 30.
The square root of 16159440 is about 4019.8805952416. The cubic root of 16159440 is about 252.8184525600.
The spelling of 16159440 in words is "sixteen million, one hundred fifty-nine thousand, four hundred forty".
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