Base | Representation |
---|---|
bin | 11001011011010… |
… | …11100010001111 |
3 | 112212100211111112 |
4 | 30231223202033 |
5 | 414101121031 |
6 | 33055442235 |
7 | 5200013642 |
oct | 1455534217 |
9 | 485324445 |
10 | 213301391 |
11 | aa448546 |
12 | 5b52637b |
13 | 35263754 |
14 | 20485a59 |
15 | 13ad562b |
hex | cb6b88f |
213301391 has 8 divisors (see below), whose sum is σ = 224688000. Its totient is φ = 201930840.
The previous prime is 213301381. The next prime is 213301427. The reversal of 213301391 is 193103312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-213301391 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213301331) 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, 31310 + ... + 37508.
It is an arithmetic number, because the mean of its divisors is an integer number (28086000).
Almost surely, 2213301391 is an apocalyptic number.
213301391 is a deficient number, since it is larger than the sum of its proper divisors (11386609).
213301391 is a wasteful number, since it uses less digits than its factorization.
213301391 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8029.
The product of its (nonzero) digits is 486, while the sum is 23.
The square root of 213301391 is about 14604.8413548385. The cubic root of 213301391 is about 597.4908091932.
The spelling of 213301391 in words is "two hundred thirteen million, three hundred one thousand, three hundred ninety-one".
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