Base | Representation |
---|---|
bin | 1100010000100010110010 |
3 | 20001021002011 |
4 | 30100202302 |
5 | 1310312430 |
6 | 152513134 |
7 | 36212530 |
oct | 14204262 |
9 | 6037064 |
10 | 3213490 |
11 | 18a5385 |
12 | 10ab7aa |
13 | 886897 |
14 | 5d9150 |
15 | 43722a |
hex | 3108b2 |
3213490 has 32 divisors (see below), whose sum is σ = 6842880. Its totient is φ = 1063104.
The previous prime is 3213479. The next prime is 3213499. The reversal of 3213490 is 943123.
It is not an unprimeable number, because it can be changed into a prime (3213499) 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, 1239 + ... + 2821.
It is an arithmetic number, because the mean of its divisors is an integer number (213840).
Almost surely, 23213490 is an apocalyptic number.
3213490 is an abundant number, since it is smaller than the sum of its proper divisors (3629390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3213490 is a wasteful number, since it uses less digits than its factorization.
3213490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1626.
The product of its (nonzero) digits is 648, while the sum is 22.
The square root of 3213490 is about 1792.6209861541. The cubic root of 3213490 is about 147.5680429146.
The spelling of 3213490 in words is "three million, two hundred thirteen thousand, four hundred ninety".
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