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3920130228 = 223746668217
BaseRepresentation
bin1110100110101000…
…0111000010110100
3101010012102020201110
43221222013002310
531012023131403
61444553555020
7166100362050
oct35152070264
911105366643
103920130228
1117318a1953
12914a15a70
134a62086b1
142928c2c60
1517e24a103
hexe9a870b4

3920130228 has 24 divisors (see below), whose sum is σ = 10453680832. Its totient is φ = 1120037184.

The previous prime is 3920130211. The next prime is 3920130229. The reversal of 3920130228 is 8220310293.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3920130195 and 3920130204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3920130229) 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, 23334025 + ... + 23334192.

Almost surely, 23920130228 is an apocalyptic number.

It is an amenable number.

3920130228 is an abundant number, since it is smaller than the sum of its proper divisors (6533550604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3920130228 is a wasteful number, since it uses less digits than its factorization.

3920130228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46668231 (or 46668229 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 3920130228 is about 62610.9433565731. The cubic root of 3920130228 is about 1576.7644930240.

The spelling of 3920130228 in words is "three billion, nine hundred twenty million, one hundred thirty thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 46668217 93336434 140004651 186672868 280009302 326677519 560018604 653355038 980032557 1306710076 1960065114 3920130228