Base | Representation |
---|---|
bin | 111001100111… |
… | …1110001111000 |
3 | 2002211212222001 |
4 | 1303033301320 |
5 | 30213224232 |
6 | 2555310344 |
7 | 514535164 |
oct | 163176170 |
9 | 62755861 |
10 | 30211192 |
11 | 16065130 |
12 | a14b3b4 |
13 | 634a15b |
14 | 4025ca4 |
15 | 29bb6e7 |
hex | 1ccfc78 |
30211192 has 16 divisors (see below), whose sum is σ = 61795800. Its totient is φ = 13732320.
The previous prime is 30211189. The next prime is 30211217. The reversal of 30211192 is 29111203.
It is a super-2 number, since 2×302111922 = 1825432244121728, which contains 22 as substring.
It is a zygodrome in base 2.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171567 + ... + 171742.
Almost surely, 230211192 is an apocalyptic number.
It is an amenable number.
30211192 is an abundant number, since it is smaller than the sum of its proper divisors (31584608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30211192 is a wasteful number, since it uses less digits than its factorization.
30211192 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 343326 (or 343322 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 19.
The square root of 30211192 is about 5496.4708677478. The cubic root of 30211192 is about 311.4506825556.
Adding to 30211192 its reverse (29111203), we get a palindrome (59322395).
It can be divided in two parts, 302111 and 92, that added together give a palindrome (302203).
The spelling of 30211192 in words is "thirty million, two hundred eleven thousand, one hundred ninety-two".
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