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352130220 = 2233513103487
BaseRepresentation
bin10100111111010…
…001010010101100
3220112121001212000
4110333101102230
51210121131340
654535212300
711504025501
oct2477212254
9815531760
10352130220
1117084a712
1299b17090
1357c509a0
1434aa34a8
1520da9d30
hex14fd14ac

352130220 has 192 divisors, whose sum is σ = 1193687040. Its totient is φ = 85660416.

The previous prime is 352130203. The next prime is 352130243. The reversal of 352130220 is 22031253.

352130220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 352130193 and 352130202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 722817 + ... + 723303.

It is an arithmetic number, because the mean of its divisors is an integer number (6217120).

Almost surely, 2352130220 is an apocalyptic number.

352130220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 352130220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (596843520).

352130220 is an abundant number, since it is smaller than the sum of its proper divisors (841556820).

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

352130220 is a wasteful number, since it uses less digits than its factorization.

352130220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 352130220 is about 18765.1330930532. The cubic root of 352130220 is about 706.1567248837.

Adding to 352130220 its reverse (22031253), we get a palindrome (374161473).

The spelling of 352130220 in words is "three hundred fifty-two million, one hundred thirty thousand, two hundred twenty".