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330230421 = 3236692269
BaseRepresentation
bin10011101011101…
…110101010010101
3212000101102222100
4103223232222111
51134014333141
652433552313
711116624623
oct2353565225
9760342870
10330230421
1115a452004
1292715699
1353553921
1431c02513
151ded10b6
hex13aeea95

330230421 has 6 divisors (see below), whose sum is σ = 476999510. Its totient is φ = 220153608.

The previous prime is 330230419. The next prime is 330230429. The reversal of 330230421 is 124032033.

It can be written as a sum of positive squares in only one way, i.e., 210656196 + 119574225 = 14514^2 + 10935^2 .

It is not a de Polignac number, because 330230421 - 21 = 330230419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 330230394 and 330230403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330230429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18346126 + ... + 18346143.

Almost surely, 2330230421 is an apocalyptic number.

It is an amenable number.

330230421 is a deficient number, since it is larger than the sum of its proper divisors (146769089).

330230421 is a wasteful number, since it uses less digits than its factorization.

330230421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36692275 (or 36692272 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 330230421 is about 18172.2431471737. The cubic root of 330230421 is about 691.2031246342.

Adding to 330230421 its reverse (124032033), we get a palindrome (454262454).

The spelling of 330230421 in words is "three hundred thirty million, two hundred thirty thousand, four hundred twenty-one".

Divisors: 1 3 9 36692269 110076807 330230421