Base | Representation |
---|---|
bin | 1000010111010001101010 |
3 | 11010101112100 |
4 | 20113101222 |
5 | 1030124430 |
6 | 114554230 |
7 | 24431046 |
oct | 10272152 |
9 | 4111470 |
10 | 2192490 |
11 | 1268283 |
12 | 898976 |
13 | 5b9c41 |
14 | 411026 |
15 | 2d4960 |
hex | 21746a |
2192490 has 48 divisors (see below), whose sum is σ = 6040008. Its totient is φ = 549888.
The previous prime is 2192471. The next prime is 2192549. The reversal of 2192490 is 942912.
It can be written as a sum of positive squares in 4 ways, for example, as 2152089 + 40401 = 1467^2 + 201^2 .
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, 814 + ... + 2246.
22192490 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2192490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3020004).
2192490 is an abundant number, since it is smaller than the sum of its proper divisors (3847518).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2192490 is a wasteful number, since it uses less digits than its factorization.
2192490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1463 (or 1460 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 27.
The square root of 2192490 is about 1480.7059127322. The cubic root of 2192490 is about 129.9109844267.
The spelling of 2192490 in words is "two million, one hundred ninety-two thousand, four hundred ninety".
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