Base | Representation |
---|---|
bin | 111001100111… |
… | …1100011110100 |
3 | 2002211211201201 |
4 | 1303033203310 |
5 | 30213212132 |
6 | 2555302244 |
7 | 514532440 |
oct | 163174364 |
9 | 62754651 |
10 | 30210292 |
11 | 16064492 |
12 | a14a984 |
13 | 6349918 |
14 | 4025820 |
15 | 29bb2e7 |
hex | 1ccf8f4 |
30210292 has 24 divisors (see below), whose sum is σ = 63975744. Its totient is φ = 12185472.
The previous prime is 30210289. The next prime is 30210307. The reversal of 30210292 is 29201203.
It is a happy number.
It is a super-3 number, since 3×302102923 (a number of 23 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31258 + ... + 32209.
It is an arithmetic number, because the mean of its divisors is an integer number (2665656).
Almost surely, 230210292 is an apocalyptic number.
It is an amenable number.
30210292 is an abundant number, since it is smaller than the sum of its proper divisors (33765452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30210292 is a wasteful number, since it uses less digits than its factorization.
30210292 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63495 (or 63493 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 19.
The square root of 30210292 is about 5496.3889964230. The cubic root of 30210292 is about 311.4475897901.
Adding to 30210292 its reverse (29201203), we get a palindrome (59411495).
The spelling of 30210292 in words is "thirty million, two hundred ten thousand, two hundred ninety-two".
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