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30220333 = 1113233907
BaseRepresentation
bin111001101001…
…0000000101101
32002212100111121
41303102000231
530214022313
62555420541
7514603633
oct163220055
962770447
1030220333
1116070a90
12a154751
136351370
144029353
1529be28d
hex1cd202d

30220333 has 16 divisors (see below), whose sum is σ = 35695296. Its totient is φ = 25223040.

The previous prime is 30220327. The next prime is 30220343. The reversal of 30220333 is 33302203.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30220333 - 29 = 30219821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220343) 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 15 ways as a sum of consecutive naturals, for example, 32866 + ... + 33772.

It is an arithmetic number, because the mean of its divisors is an integer number (2230956).

Almost surely, 230220333 is an apocalyptic number.

It is an amenable number.

30220333 is a deficient number, since it is larger than the sum of its proper divisors (5474963).

30220333 is a wasteful number, since it uses less digits than its factorization.

30220333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164.

The product of its (nonzero) digits is 324, while the sum is 16.

The square root of 30220333 is about 5497.3023384202. The cubic root of 30220333 is about 311.4820912645.

Adding to 30220333 its reverse (33302203), we get a palindrome (63522536).

The spelling of 30220333 in words is "thirty million, two hundred twenty thousand, three hundred thirty-three".

Divisors: 1 11 13 143 233 907 2563 3029 9977 11791 33319 129701 211331 2324641 2747303 30220333