Base | Representation |
---|---|
bin | 111001101001… |
… | …0100001111100 |
3 | 2002212110102101 |
4 | 1303102201330 |
5 | 30214104320 |
6 | 2555434444 |
7 | 514613062 |
oct | 163224174 |
9 | 62773371 |
10 | 30222460 |
11 | 16072644 |
12 | a155a24 |
13 | 6352318 |
14 | 402a032 |
15 | 29bec0a |
hex | 1cd287c |
30222460 has 24 divisors (see below), whose sum is σ = 66227616. Its totient is φ = 11563200.
The previous prime is 30222443. The next prime is 30222473. The reversal of 30222460 is 6422203.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32391 + ... + 33310.
It is an arithmetic number, because the mean of its divisors is an integer number (2759484).
Almost surely, 230222460 is an apocalyptic number.
It is an amenable number.
30222460 is an abundant number, since it is smaller than the sum of its proper divisors (36005156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30222460 is a wasteful number, since it uses less digits than its factorization.
30222460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65733 (or 65731 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 19.
The square root of 30222460 is about 5497.4957935409. The cubic root of 30222460 is about 311.4893987823.
Adding to 30222460 its reverse (6422203), we get a palindrome (36644663).
The spelling of 30222460 in words is "thirty million, two hundred twenty-two thousand, four hundred sixty".
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