Base | Representation |
---|---|
bin | 111101111111… |
… | …100000000000 |
3 | 1010120122000110 |
4 | 331333200000 |
5 | 13130012010 |
6 | 1340151320 |
7 | 255062442 |
oct | 75774000 |
9 | 33518013 |
10 | 16250880 |
11 | 919a588 |
12 | 5538540 |
13 | 349cb09 |
14 | 2230492 |
15 | 1660120 |
hex | f7f800 |
16250880 has 144 divisors (see below), whose sum is σ = 54348840. Its totient is φ = 4145152.
The previous prime is 16250879. The next prime is 16250893. The reversal of 16250880 is 8805261.
16250880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×162508802 = 528182201548800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 706549 + ... + 706571.
Almost surely, 216250880 is an apocalyptic number.
16250880 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 16250880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27174420).
16250880 is an abundant number, since it is smaller than the sum of its proper divisors (38097960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16250880 is an equidigital number, since it uses as much as digits as its factorization.
16250880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76 (or 33 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 30.
The square root of 16250880 is about 4031.2380232380. The cubic root of 16250880 is about 253.2944230791.
Multiplying 16250880 by its sum of digits (30), we get a square (487526400 = 220802).
16250880 divided by its sum of digits (30) gives a square (541696 = 7362).
The spelling of 16250880 in words is "sixteen million, two hundred fifty thousand, eight hundred eighty".
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