Base | Representation |
---|---|
bin | 111001101001… |
… | …0100000001111 |
3 | 2002212110021100 |
4 | 1303102200033 |
5 | 30214103401 |
6 | 2555434143 |
7 | 514612545 |
oct | 163224017 |
9 | 62773240 |
10 | 30222351 |
11 | 16072555 |
12 | a155953 |
13 | 6352263 |
14 | 4029d95 |
15 | 29beb86 |
hex | 1cd280f |
30222351 has 6 divisors (see below), whose sum is σ = 43654520. Its totient is φ = 20148228.
The previous prime is 30222307. The next prime is 30222373. The reversal of 30222351 is 15322203.
It is not a de Polignac number, because 30222351 - 26 = 30222287 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 (30222301) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1679011 + ... + 1679028.
Almost surely, 230222351 is an apocalyptic number.
30222351 is a deficient number, since it is larger than the sum of its proper divisors (13432169).
30222351 is a wasteful number, since it uses less digits than its factorization.
30222351 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3358045 (or 3358042 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 30222351 is about 5497.4858799273. The cubic root of 30222351 is about 311.4890243104.
Adding to 30222351 its reverse (15322203), we get a palindrome (45544554).
The spelling of 30222351 in words is "thirty million, two hundred twenty-two thousand, three hundred fifty-one".
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