Base | Representation |
---|---|
bin | 111001101001… |
… | …0011011100011 |
3 | 2002212102212020 |
4 | 1303102123203 |
5 | 30214101201 |
6 | 2555432523 |
7 | 514611636 |
oct | 163223343 |
9 | 62772766 |
10 | 30222051 |
11 | 16072302 |
12 | a155743 |
13 | 6352092 |
14 | 4029c1d |
15 | 29bea36 |
hex | 1cd26e3 |
30222051 has 8 divisors (see below), whose sum is σ = 40393920. Its totient is φ = 20099112.
The previous prime is 30222041. The next prime is 30222109. The reversal of 30222051 is 15022203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30222051 - 214 = 30205667 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30222051.
It is not an unprimeable number, because it can be changed into a prime (30222011) 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, 10765 + ... + 13278.
It is an arithmetic number, because the mean of its divisors is an integer number (5049240).
Almost surely, 230222051 is an apocalyptic number.
30222051 is a deficient number, since it is larger than the sum of its proper divisors (10171869).
30222051 is a wasteful number, since it uses less digits than its factorization.
30222051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24465.
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 30222051 is about 5497.4585946599. The cubic root of 30222051 is about 311.4879936492.
Adding to 30222051 its reverse (15022203), we get a palindrome (45244254).
The spelling of 30222051 in words is "thirty million, two hundred twenty-two thousand, fifty-one".
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