Base | Representation |
---|---|
bin | 1000100000011011010010 |
3 | 11012021221111 |
4 | 20200123102 |
5 | 1032324340 |
6 | 115443534 |
7 | 24645241 |
oct | 10403322 |
9 | 4167844 |
10 | 2229970 |
11 | 1293456 |
12 | 8b65aa |
13 | 601012 |
14 | 420958 |
15 | 2e0aea |
hex | 2206d2 |
2229970 has 16 divisors (see below), whose sum is σ = 4040280. Its totient is φ = 886144.
The previous prime is 2229967. The next prime is 2229971. The reversal of 2229970 is 799222.
It can be written as a sum of positive squares in 4 ways, for example, as 2223081 + 6889 = 1491^2 + 83^2 .
It is an Ulam number.
It is not an unprimeable number, because it can be changed into a prime (2229971) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1086 + ... + 2374.
22229970 is an apocalyptic number.
2229970 is a deficient number, since it is larger than the sum of its proper divisors (1810310).
2229970 is a wasteful number, since it uses less digits than its factorization.
2229970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1469.
The product of its (nonzero) digits is 4536, while the sum is 31.
The square root of 2229970 is about 1493.3084075301. The cubic root of 2229970 is about 130.6470697507.
It can be divided in two parts, 22 and 29970, that added together give a palindrome (29992).
The spelling of 2229970 in words is "two million, two hundred twenty-nine thousand, nine hundred seventy".
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