Base | Representation |
---|---|
bin | 111100000100101000010 |
3 | 10201000012120 |
4 | 13200211002 |
5 | 1000442300 |
6 | 110105110 |
7 | 22505631 |
oct | 7404502 |
9 | 3630176 |
10 | 1968450 |
11 | 1124a20 |
12 | 7ab196 |
13 | 53bc83 |
14 | 393518 |
15 | 28d3a0 |
hex | 1e0942 |
1968450 has 48 divisors (see below), whose sum is σ = 5330016. Its totient is φ = 476800.
The previous prime is 1968427. The next prime is 1968467. The reversal of 1968450 is 548691.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1054 + ... + 2246.
It is an arithmetic number, because the mean of its divisors is an integer number (111042).
21968450 is an apocalyptic number.
1968450 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 1968450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2665008).
1968450 is an abundant number, since it is smaller than the sum of its proper divisors (3361566).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1968450 is a wasteful number, since it uses less digits than its factorization.
1968450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1219 (or 1214 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 33.
The square root of 1968450 is about 1403.0146114706. The cubic root of 1968450 is about 125.3260819581.
It can be divided in two parts, 196 and 8450, that added together give a triangular number (8646 = T131).
The spelling of 1968450 in words is "one million, nine hundred sixty-eight thousand, four hundred fifty".
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