Base | Representation |
---|---|
bin | 11001010100011… |
… | …10010000010101 |
3 | 112210122210012120 |
4 | 30222032100111 |
5 | 413333120104 |
6 | 33024210153 |
7 | 5156220330 |
oct | 1452162025 |
9 | 483583176 |
10 | 212395029 |
11 | a9989590 |
12 | 5b169959 |
13 | 35007042 |
14 | 202cb617 |
15 | 139a6cd9 |
hex | ca8e415 |
212395029 has 32 divisors (see below), whose sum is σ = 357073920. Its totient is φ = 109084800.
The previous prime is 212395003. The next prime is 212395037. The reversal of 212395029 is 920593212.
It is not a de Polignac number, because 212395029 - 25 = 212394997 is a prime.
It is a super-2 number, since 2×2123950292 = 90223296687821682, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212395049) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15394 + ... + 25724.
It is an arithmetic number, because the mean of its divisors is an integer number (11158560).
Almost surely, 2212395029 is an apocalyptic number.
It is an amenable number.
212395029 is a deficient number, since it is larger than the sum of its proper divisors (144678891).
212395029 is a wasteful number, since it uses less digits than its factorization.
212395029 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10441.
The product of its (nonzero) digits is 9720, while the sum is 33.
The square root of 212395029 is about 14573.7788167654. The cubic root of 212395029 is about 596.6433200745.
The spelling of 212395029 in words is "two hundred twelve million, three hundred ninety-five thousand, twenty-nine".
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