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302030222 = 21389130523
BaseRepresentation
bin10010000000001…
…001110110001110
3210001022201120112
4102000021312032
51104304431342
645545320022
710325133404
oct2200116616
9701281515
10302030222
1114554085a
1285196012
134a75bc10
142c181474
151b7b0682
hex12009d8e

302030222 has 16 divisors (see below), whose sum is σ = 493380720. Its totient is φ = 137831232.

The previous prime is 302030221. The next prime is 302030317. The reversal of 302030222 is 222030203.

302030222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 302030197 and 302030206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302030221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62948 + ... + 67575.

It is an arithmetic number, because the mean of its divisors is an integer number (30836295).

Almost surely, 2302030222 is an apocalyptic number.

302030222 is a deficient number, since it is larger than the sum of its proper divisors (191350498).

302030222 is a wasteful number, since it uses less digits than its factorization.

302030222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130627.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 302030222 is about 17379.0167155682. The cubic root of 302030222 is about 670.9396646627.

Adding to 302030222 its reverse (222030203), we get a palindrome (524060425).

The spelling of 302030222 in words is "three hundred two million, thirty thousand, two hundred twenty-two".

Divisors: 1 2 13 26 89 178 1157 2314 130523 261046 1696799 3393598 11616547 23233094 151015111 302030222